• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    adjustable fracture head system and tubular chamber. the present invention relates to an adjustable fracturing system (10) which is presented. in one embodiment, the system includes a fracturing head (60, 62, 64) having an adjustable body with a first portion (82) and a second portion (84) that enable variation in a dimension of the fracturing head. the system can also include a tubular fracturing chamber (22) coupled to a fracturing tree (20) and the fracturing head can facilitate the connection of the tubular fracturing chamber to the fracturing tree by varying the dimension of the fracturing head. additional systems, devices and methods are also described.
    公开号:BR112014006897B1
    申请号:R112014006897-6
    申请日:2012-09-21
    公开日:2021-04-13
    发明作者:Kirk P. Guidry
    申请人:Cameron Technologies Limited；
    IPC主号:
    专利说明:

    PRECEDENTS
    [001] This section is designed to introduce the reader to the various aspects of the technique that may be related to the various aspects of the modalities currently described. It is believed that this discussion is useful to present the reader with precedent information to facilitate a better understanding of the various aspects of the present modalities. Thus, it must be understood that these statements should be read for this purpose and not as admissions of the prior art.
    [002] In order to satisfy the consumer and the industrial demand for natural resources, companies often invest significant amounts of time and money in researching and extracting oil, natural gas and other underground resources from the earth. In particular, after a desired underground resource is discovered, drilling and production systems are often used to access and extract the resource. These systems can be located on land or at sea depending on the location of a desired resource. In addition, such systems generally include a wellhead assembly through which the resource is extracted. These wellhead assemblies can include a wide variety of components, such as various linings, valves, fluid ducts, and so on that control drilling or extraction operations.
    [003] Additionally, such wellhead assemblies can use a fracturing tree and other components to facilitate the fracturing process and increase the production of a well. As will be seen, resources, such as oil and natural gas, are usually extracted from cracks or other cavities formed in various underground rock formations or strata. To facilitate the extraction of such resources, the well can be subjected to a fracturing process that creates one or more artificial fractures in a rock formation. This facilitates, for example, the coupling of cracks and pre-existing cavities, allowing oil, gas or the like to flow into the well bore. Such fracturing processes typically include the injection of a fracturing fluid - which is often a mixture including sand and water - into the well to increase pressure in the well and to form artificial fractures. A tubular fracturing chamber can supply the fracturing fluid to one or more fracturing trees through the fracture lines (for example, tubes). But tubular fracturing chambers and associated fracturing trees are typically large and heavy and can be mounted on other equipment at a fixed location, making adjustments between the tubular fracturing chamber and the fracturing tree difficult. SUMMARY
    [004] Certain aspects of some modalities revealed here are presented below. It should be understood that these aspects are presented merely to give the reader a brief summary of certain forms that the invention could take and that these aspects are not intended to limit the scope of the invention. In reality, the invention can cover a variety of aspects that may not be presented below.
    [005] Modalities of the present description refer, in general, to adjustable fracturing systems that facilitate the alignment and the coupling of a tubular fracturing chamber with a fracturing tree via a fluid connection. In one embodiment, a fracturing system includes one or more adjustment joints that each provide at least a degree of freedom in aligning a fluid connection with a tubular fracturing chamber and a fracturing tree. Adjustment joints can be supplied in the form of fracturing heads or in some other form, such as pipe connectors. More specifically, an adjustment joint in the fracturing system can include a dimension that can be varied by a user to facilitate the connection of the tubular fracturing chamber and the fracturing tree in an efficient manner (for example, allowing the user to compensate for problems unexpected alignment during connection).
    [006] Various refinements of the characteristics mentioned above may exist in relation to various aspects of the present modalities. Additional features can also be incorporated into these various aspects as well. These refinements and additional features can exist individually or in any combination. For example, several features discussed below in relation to one or more of the illustrated modalities can be incorporated into any of the above described aspects of the present description alone or in any combination. Again, the brief summary presented above is intended only to familiarize the reader with certain aspects and contexts of some modalities without limitation with the matter in question claimed. BRIEF DESCRIPTION OF THE DRAWINGS
    [007] These and other characteristics, aspects and advantages of certain modalities will become better understood when the following detailed description is read with reference to the accompanying drawings, in which similar characters represent similar parts throughout the drawings, in which:
    [008] FIG. 1 represents, in general, an adjustable fracture system according to a modality of the present description,
    [009] FIG. 2 is a diagram of the adjustable fracturing system of FIG. 1 with a tubular fracturing chamber coupled to multiple fracturing trees according to one embodiment of the present description,
    [0010] FIG. 3 is a perspective view of certain components of the adjustable fracturing system, including the tubular fracturing chamber, a fracturing tree and several adjustment joints according to an embodiment of the present description,
    [0011] FIG. 4 is a perspective view of an adjustment joint in the form of a fracturing head in accordance with an embodiment of the present description,
    [0012] FIG. 5 is a section of the fracturing head of FIG. 4 according to an embodiment of the present description,
    [0013] FIG. 6 represents in general the fracturing head of FIGS. 4 and 5 following the adjustment of the fracturing head to increase its length according to an embodiment of the present description,
    [0014] FIG. 7 is a perspective view of an adjustment joint in the form of a fracturing head having inlet and outlet holes that are not axially aligned with each other according to an embodiment of the present description,
    [0015] FIG. 8 is a partial cut of a fracturing head including a test hole to enable the integrity test between two fracture head seals according to an embodiment of the present description and
    [0016] FIG. 9 is a section of an adjustment joint in the form of a pipe connector having a length that can be varied according to an embodiment of the present description. DETAILED DESCRIPTION OF THE SPECIFIC MODALITIES
    [0017] One or more specific modalities of the present description will be described below. In an effort to provide a concise description of these modalities, all features of an actual implementation may not be described in this specification. It should be noted that in the development of any such real implementation, as in any engineering or design project, numerous implementation-specific decisions need to be made to achieve the specific goals of the developers, such as compliance with system-related and system-related restrictions. the business, which may vary from one implementation to another. Furthermore, it should be noted that such a development effort could be complex and lengthy, but it would nevertheless be a routine task of design, manufacture and manufacture for these experts having the benefit of this description.
    [0018] When presenting the elements of various modalities, the articles "one", "one", "o", "a" and "said" are designed to mean that there are one or more of the elements. The terms "comprising", "including" and "having" are intended to be inclusive and mean that there may be additional elements other than those listed. Furthermore, any use of "upper", "lower", "above", "below", other direction terms and variations of these terms is done for convenience, but does not require any particular guidance from the components.
    [0019] With reference now to the present FIGS., An example of a fracturing system 10 is shown in FIGS. 1 and 2 according to an embodiment. The fracturing system 10 facilitates the extraction of natural resources (for example, oil or natural gas) from a well 12 via a well bore 14 and a well head 16. Particularly, by injecting a fracturing fluid into the well 12 , the fracturing system 10 increases the number or size of fractures in a rock formation or strata to optimize the recovery of natural resources present in the formation. In the modality currently illustrated, well 12 is a surface well accessed by wellhead equipment 16 installed at surface level (that is, on the ground 18). But it will be verified that natural resources can be extracted from other wells, such as platform or subsea wells.
    [0020] The fracturing system 10 includes several components to control the flow of a fracturing fluid into the well 12. For example, the fracturing system 10 shown includes a fracturing tree 20 and a tubular fracturing chamber 22. A fracturing tree 20 includes at least one valve that controls the flow of fracturing fluid into the wellhead 16 and subsequently into the well 12. Similarly, the tubular fracturing chamber 22 includes at least one valve that controls the flow of the fracturing fluid to the fracturing tree 20 through a duct or fluid connection 26 (eg tubes).
    [0021] The tubular fracturing chamber 22 is mounted on at least one slide 24 (for example, a platform mounted on rails) to enable the movement of the tubular fracturing chamber 22 with respect to the ground 18. As shown in FIG. 2, the tubular fracturing chamber 22 is connected to supply the fracturing fluid to multiple fracturing trees 20 and wellheads 16. But it is noted that the tubular fracturing chamber 22 can be coupled, instead, to a single fracturing tree 20 in total agreement with the present techniques. In a modality in which the tubular fracturing chamber 22 is coupled to multiple fracturing trees 20, several valves of the tubular fracturing chamber 22 can be mounted on separate sliders 24 to allow variation in the spacing between the valves. And in at least some cases, as described in more detail below, such a configuration allows for easier alignment of the fluid connection 26 between the fracture tubular chamber 22 and the fracture tree 20.
    [0022] The fracturing fluid from a supply 28 is supplied to the tubular fracturing chamber 22. In FIG. 1, a connector 30 receives the supply's fracturing fluid 28 through a duct or fluid connection 32 (for example, tubes or hoses) and then transmits the fluid to the fracturing tubular chamber 22 via an underground duct or connection of fluid 34 (e.g., tubes). In one embodiment, the supply 28 of the fracturing fluid is provided by one or more trucks that deliver the fracturing fluid, connect to connector 30 and pump the fluid into the tubular fracturing chamber 22 via connector 30 and the connections 32 and 34. In another embodiment, the supply 28 of the fracturing fluid is in the form of a reservoir from which the fluid can be pumped into the tubular fracturing chamber 22. However, any other suitable sources of fracturing fluid and ways to transmit such fluid to the tubular fracture chamber they can be used instead.
    [0023] A portion 40 of the fracturing system 10 is illustrated in FIG. 3 according to a modality. In the shown embodiment shown, portion 40 includes the fracturing shaft 20 and the tubular fracturing chamber 22, as well as several adjustment joints that enable the alignment of the connecting line (i.e. fluid connection 26) between the fracturing shaft 20 and the tubular fracturing chamber 22. The tubular chamber 22 includes a duct 42 that directs the fracturing fluid to valves 44 and 46. These valves 44 and 46 are coupled in connection blocks 48 and 50 of duct 42 to receive the fracturing fluid from the fluid supply 28 via connections 32 and 24. The fracturing fluid can then be routed through fluid connection 26 to a respective fracture tree 20. Although the present embodiment includes two valves 44 and two valves 46, any other suitable number of valves can be used, instead, to control the flow of the fracturing fluid to the fracturing trees 20. Additionally, although the fluid connection 26 represented include a single flow or duct path (which can be a fracturing line with an internal diameter of 17.8 cm (seven inches) in one case) between the fracturing tree 20 and the tubular fracturing chamber 22, a system fracturing can include a greater number of ducts between the tubular fracturing chamber and the fracturing tree in other modalities.
    [0024] The fracturing tree 20 is shown as a horizontal fracturing tree in FIG. 3, although other modalities may include a different style of fracturing tree (for example, a vertical tree). The fracturing tree 20 shown includes valves 52 for controlling the flow of the fracturing fluid through a horizontal portion of the tree 20. Tree 20 also includes a master valve 54 for controlling the flow of fluids (for example, fracturing fluids. or production fluids) to or from the attached wellhead 16 (FIG. 1) and an orifice 56 allowing access to the wellhead 16 via master valve 54. In other embodiments, valve 54 can be omitted (for example, in a composite tree arrangement with all integral valves in one block).
    [0025] The portion 40 of the fracturing system 10 also includes extensible adjustment joints that facilitate the connection of the tubular fracturing chamber 22 to the fracturing tree 20. In the currently illustrated embodiment, the adjustment joints are presented in the form of fracturing heads adjustable 60, 62 and 64 (also commonly referred to as "goat heads"), although other forms of adjustment joints are also provided and can be used according to the present techniques. In operation, the fracturing tree 20 can be mounted at a fixed location (that is, coupled to the wellhead 16). The fluid connection 26 is aligned and coupled between the fracturing shaft 20 and the tubular fracturing chamber 22. The adjustment joints (for example, the fracturing heads 60, 62 and 64 in FIG. 3) facilitate such alignment and coupling of the fluid connection allowing an operator to manipulate the position of the fluid connection 26 by changing a dimension (for example, length or height) of the adjustment joint. By providing three adjustment joints, each with a different axis of motion (ie, up and down, forward and backward and left and right), adjustments can be made to help facilitate docking of the camera fracturing tube 22 on the fracturing tree 20.
    [0026] For example, duct 42 includes a fracturing head 60 that can be extended or retracted (as represented by arrow 68) to vary the length of duct 42 and the distance between valves 44 and 46 (which can be mounted on separate slides 24, as discussed above, to allow relative movement between valves 44 and 46). Such variation also provides a first degree of freedom in the alignment of the fluid connection 26 between the fracturing tree 20 and the tubular fracturing chamber 22. In other words, the adjustment joint in the duct 42 allows the distance between the sealing points of the fluid connection 26 in the fracturing tree 20 and the tubular fracturing chamber 22 is varied in a first dimension.
    [0027] Likewise, fluid connection 26 in FIG. 3 includes the fracturing head 62 to vary the length of the fluid connection 26 in a second dimension, as represented by the arrow 70. The adjustability of the fracturing head 22 provides a second degree of freedom in aligning the connection between the spindle fracturing 20 and the tubular fracturing chamber 22. Additionally, portion 40 includes the fracturing head 64 having a variable length in a third dimension (as represented by the arrow 72), thus providing a third degree of freedom in aligning the fluid connection 26 between the fracturing tree 20 and the tubular fracturing chamber 22. These three degrees of freedom are made possible by three adjustment joints having different adjustment directions that are not parallel and, in some modalities, (as in FIG. 3) , the adjustment directions are orthogonal to each other. In addition to these three degrees of freedom of translation, one or more of the adjustment joints (for example, fracture heads 60, 62 and 64) can also be rotated around their geometric axes, as indicated by arrows 69, 71 and 73, to produce degrees of freedom of rotation. For example, the modality currently represented has six degrees of freedom (three of translation and three of rotation).
    [0028] Although large fracturing lines (for example, with an internal diameter of 17.8 cm (seven inches)) are traditionally difficult to adjust between a tubular fracturing chamber and a fracturing tree, the adjustment capacity provided in the system 10 currently described makes it possible for large fracturing lines to be aligned and connected in such components more efficiently. Consequently, as shown in FIG. 3, a single fluid connection 26 can be produced in the form of a large inner diameter fracturing line, instead of using multiple smaller inner diameter billing lines between the tubular fracturing chamber and a given fracturing tree.
    [0029] Although the modality currently represented includes three adjustment joints, it is noted that other modalities may include less adjustment joints providing less degrees of freedom in the alignment of the fluid connection 26. For example, a single adjustment joint can be provided for produce a degree of translation freedom (for example, up and down, forward and backward or left and right) in the alignment of the fracturing tree 20 and the tubular fracturing chamber 22 for the fluid connection 26. Or two adjustment joints can be provided to produce two degrees of freedom of translation. Such adjustment joints can also provide degrees of freedom of rotation as mentioned above. In addition, multiple adjustment joints can be aligned coaxially to provide the ability to adjust at different locations within the system 10 (for example, the tubular chamber 22 may include multiple coaxial adjustment joints).
    [0030] For clarity, only a single fluid connection 26 and a single fracturing tree 20 (both of which receive the fracturing fluid from valves 44) are shown in FIG. 3 as part of portion 40 of the fracturing system 10. But it will be seen that the fracturing system 10 can include additional fluid connections 26 and fracturing trees 20 (see, for example, FIG. 2). For example, valves 46 can be coupled (for example, via outlet 74) to another fluid connection 26 leading to a different fracturing tree 20 in another wellhead 16. Additionally, duct 42 can extend beyond the blocks connection lines 48 and 50 shown for routing the fracturing fluid to additional valves and associated fracturing trees 20. And duct 42 may include additional adjustment joints to enable the movement of such additional valves in relation to another portion of the tubular chamber 22, thus facilitating the alignment of these valves with their associated fracturing trees 20.
    [0031] The fracturing head 60, according to one embodiment, is illustrated in more detail in FIGS. 4 to 6. In the embodiment shown, the fracturing head 60 includes a body having a first portion 82 and a second portion 84. Body portions 82 and 84 are configured to move relative to each other to vary the dimension of the head fracture and facilitate the connection of the tubular fracturing chamber 22 and the fracturing tree 20, as described above. The fracturing head 60 includes fluid orifices 86 and 114 (FIG. 5) for transmitting fluid through the fracturing head 60. In some embodiments, such as when installed in the fracturing system 10 in the manner shown in FIG. 3, fluid orifice 86 can be considered an outlet orifice and fluid orifice 114 can be considered an inlet orifice. In addition to fluid orifice 86, the second body portion 84 includes a set of pins 88 and nuts 90 for connecting the fracturing head 60 to another component (for example, via an API flange or other connector). Similarly, the first body portion 82 includes hollow holes 92 arranged on a flange 93 around the fluid orifice 114 for coupling to another component (for example, also coupled to an API flange via additional pins and nuts or another connector). The first body portion 82 includes an additional set of hollow holes 95 positioned radially out of the hollow holes 92. The hollow holes 95 are aligned with corresponding holes 97 on a flange 99 of the second body portion 84 and the first and second portions body 82 and 84 are secured together with pins 94 (through holes 95 and 97) and nuts 96.
    [0032] As shown in FIGS. 5 and 6, an internal diameter 98 extends through the fracturing head 60 between the fluid orifices 86 and 114. The internal diameter 98 can have a diameter similar or identical to that of the components coupled to the fluid orifices 86 and 114, such as as 17.8 cm (seven inches) in one embodiment (although other diameters can be used for the inner diameter 98, as well as for the other components). The inside diameter can also be dimensioned to match the inside diameter of the production liner in the well (that is, a complete internal diameter arrangement) to facilitate the passage of tools, plugs or the like through the fracturing head 60. The fracture 60 includes an adjusting collar 100 that can be rotated in thread threads 104 by a user to translate collar 100 with respect to body portion 82 or 84 of fracturing head 60 to which the collar is threaded (that is, first body portion 82 in Figures 5 and 6). The movement of the adjusting collar 100 allows adjustment of the length of the fracturing head 60 and the distance between the fluid orifices 86 and 114. Particularly, as illustrated in FIG. 6, the nuts 96 can be loosened on the pins 94 and the adjustable collar 100 can be moved along the first body portion 82 to extend the fracturing head 60. In this way, the length (or what can be considered the height in the place) of the fracturing head 60 can be varied to aid in the alignment and coupling of the tubular fracturing chamber 22 and the fracturing tree 20 via the fluid connection 26, as discussed above. The fracture head 60, as well as other adjustment joints in system 10 (for example, fracture heads 62 or 64, or the pipe connectors 130, 170 or 224 described below), can be constructed to allow any desired amount of variation in dimension. For example, adjustment joints can be constructed to allow dimensional variation (for example, extension) of 17.8 cm (seven inches) in one mode, 30.5 cm (twelve inches) in another mode and 45, 7 cm (eighteen inches) in yet another modality.
    [0033] The fracturing head 60 also includes several sealing elements to prevent fluid leakage. For example, as shown, the fracturing head 60 includes sealing elements 102, 106, 108, 110 and 112. The sealing elements are formed from any suitable material, such as an elastomer or metal. In one embodiment, seals 110 include CA-NH ™ seals available from Cameron International Corporation of Houston, Texas. Also, in one embodiment, the movement of the collar 100 preloads or energizes one or more of the fracture head seals 60.
    [0034] As shown in FIG. 7, the fracture head 64 is generally similar to the fracture head 60 (and the fracture head 62, which is identical to the fracture head 60 in one embodiment), but includes a fluid orifice 86 on a side face of the body portion 84 instead of the top face. As illustrated in FIG. 3, such an arrangement allows the fracturing head 64 to connect a fluid connection tube 26 to the fracturing tree 20 via an inside diameter curved at an angle (for example, at a right angle) to change the direction of the fluid flowing through of the fracturing head 64. And a dimension of the fracturing head 64 can be varied in the same way as described above with respect to the fracturing head 60, thereby facilitating the alignment and coupling of the fracturing tree 20 and the tubular chamber fracture 22 with fluid connection 26.
    [0035] In an embodiment illustrated in FIG. 8, a fracturing head (for example, fracturing head 60, 62 or 64) includes seals 118 and 120 (instead of sealing elements 106, 108 and 110) arranged in an annular space 122. Seals 118 and 120 are formed from any suitable material and may include metal CANH ™ seals in one embodiment. The annular space 122 is limited by the body portion 82, the body portion 84 and the adjustable collar 100. A test hole 124 extends from the annular space 122 (for example, at a location between seals 118 and 120) to an outer surface of the body portion 84 to allow the connection of a pressure monitoring device to enable monitoring or testing of the integrity of the seals 118 and 120.
    [0036] Although the adjustment joints of the fracturing system 10 have been described above in the form of fracturing heads, other modalities may use other adjustment joints in addition to or in place of the fracturing heads. For example, one or more of the fracturing heads 60, 62 and 64 of FIG. 3 can be replaced by other adjustment joints in additional modes. An example of another adjustment joint is shown in FIG. 9 in the form of a tube connector 130. The connector 130 includes a first tubular element 132 and a second tubular element 134. The tubular elements 132 and 134 can be tubes (for example, from fluid connection 26 or duct 42) or they they can be coupled to tubes or other ducts in any suitable way. The opposite ends of the connector include an inlet and an outlet, allowing the fracturing fluid to flow through the connector 130 via the internal diameters of any of the elements 132 and 134 of themselves or of the tubes or other ducts joined by the connector 130.
    [0037] Connector 130 is configured to allow relative movement between tubular elements 132 and 134 to allow variation in the length of connector 130. Like fracture heads 60, 62 and 64, connector 130 can be constructed to allow any desired range of variation in length, such as a 17.8 cm (seven inch) or 30.5 cm (twelve inch) range. Various seals 136, 138 and 140 are provided between tubular elements 132 and 134. In one embodiment, seal 136 is an elastomeric seal and seals 138 and 140 are CA-NH ™ metal seals.
    [0038] Connector 130 also includes a collar 142 (which can also be referred to here as union nut 142) that cooperates with a collar with flange 154 to adjust the length of connector 130. Union nut 142 can be attached to the first tubular element 132 in any suitable manner. In the embodiment shown, thread threads 146 allow the union nut 142 to be threaded on the tubular element 132. The union nut 142 includes an end 150 that engages the collar 154 via the thread threads 152 and the rotation of the union nut. union 142 causes collar 154 to move along the geometric axis of connector 130 with respect to tubular element 132. A flange 156 of collar 154 is coupled to a joint flange 158 of tubular element 134 by pins 160 and nuts 162. Consequently, the rotation of the union nut 142 also causes the second tubular element 134 to move relative to the first tubular element 132, thereby enabling the connector 130 to be extended or shortened by such an operation. The connector 130 may also include a test hole 164 to enable monitoring of the integrity of the seals 138 and 140 in a manner similar to that described above with respect to test hole 124 (FIG. 8).
    [0039] Although aspects of the present description may be susceptible to various modifications and alternative forms, specific modalities have been shown by way of example in the drawings and have been described in detail here. However, it should be understood that the invention is not intended to be limited to the particular forms disclosed. On the contrary, the invention must cover all modifications, equivalents and alternatives that fall within the spirit and scope of the invention as defined by the following appended claims.
    权利要求:
    Claims (14)
    [0001]
    1. System (10), comprising: a tubular fracturing chamber (22); and a fracturing tree (20) coupled to the tubular fracturing chamber; characterized by the fact that: the fracturing tree includes an adjustable joint (64) for receiving a fracturing fluid from the tubular fracturing chamber and for transmitting the fracturing fluid to another portion of the fracturing tree; the adjustable joint comprises a body having an inlet port (114), an outlet port (86) and an internal diameter (98) to enable a fracturing fluid to flow between the inlet port and the outlet port; and the body being an adjustable body that allows the movement of a first portion (82) of the body having the entry orifice in relation to a second portion (84) of the body having the exit orifice to allow variation in an axial direction of the adjustable body and to facilitate a connection between the tubular fracturing chamber and the fracturing shaft by varying the axial direction of the adjustable body.
    [0002]
    2. System according to claim 1, characterized by the fact that it comprises at least one additional adjustable joint (60, 62, 64) with an adjustable body that allows variation in an axial direction of the additional adjustable joint to facilitate connection of the tubular fracture chamber with the fracturing tree.
    [0003]
    3. System according to claim 2, characterized by the fact that the at least one additional adjustable joint includes two additional adjustable joints (60, 62, 64) with adjustable bodies and the adjustable joints provide three degrees of freedom of translation ( 68, 70, 72) in the alignment and connection of the tubular fracturing chamber to the fracturing tree.
    [0004]
    4. System according to claim 3, characterized by the fact that the adjustable joint and the two additional adjustable joints also provide three degrees of rotational freedom (69, 71, 73) in the alignment and connection of the fracture tubular chamber in the tree fracturing.
    [0005]
    5. System, according to claim 1, characterized by the fact that it comprises a single flow path between the tubular fracturing chamber and the fracturing tree.
    [0006]
    6. System, according to claim 2, characterized by the fact that the tubular fracturing chamber is mounted on a slider (24) to enable the movement of the tubular fracturing chamber in relation to a wellhead (16) .
    [0007]
    7. System according to claim 1, characterized by the fact that it comprises a plurality of fracture trees (20) coupled in the tubular fracture chamber.
    [0008]
    8. System according to claim 1, characterized by the fact that the adjustable joint is a single-diameter adjustable joint with a single inlet and a single outlet.
    [0009]
    System according to claim 1, characterized in that it comprises an adjustment collar (100) threaded on the first portion or the second portion.
    [0010]
    10. System according to claim 9, characterized by the fact that the adjustment collar allows an operator to rotate the adjustment collar to vary the dimension of the adjustable body in the axial direction and to energize at least one seal (106, 108 , 110, 118, 120) between the first portion and the second portion.
    [0011]
    11. System according to claim 1, characterized by the fact that the first portion of the adjustable joint includes a flange (93) comprising: a first plurality of hollow holes (95) aligned with corresponding hollow holes (97) on a flange (99) of the second portion of the adjustable joint; and a second plurality of hollow holes (92) radially into the first plurality of hollow holes, wherein the second plurality of hollow holes allows the first portion of the adjustable joint to be coupled to a fracture tubular chamber through a flange of connection.
    [0012]
    System according to claim 1, characterized in that it comprises a first seal (118) and a second seal (120) arranged in an annular space (122) between the first portion and the second portion, and a test hole ( 124) extending from an outer surface of the adjustable joint to the annular space in a position between the first seal and the second seal.
    [0013]
    13. Method, comprising: providing a tubular fracturing chamber (22); and coupling a fracturing tree (20) to the tubular fracturing chamber; characterized by the fact that: the fracturing tree includes an adjustable joint (64) for receiving a fracturing fluid from the tubular fracturing chamber and for transmitting the fracturing fluid to another portion of the fracturing tree, the adjustable joint (64) comprises a body having an inlet hole (114), an outlet hole (86), and the coupling of the fracturing tree in the tubular fracturing chamber includes adjusting the body to allow movement of a first portion (82) of the body having the entry orifice in relation to a second portion (84) of the body having the exit orifice to allow variation in an axial direction of the adjustable body and to facilitate a connection of the tubular fracturing chamber with the fracturing tree through the variation in the axial direction of the adjustable body.
    [0014]
    14. Method according to claim 13, characterized in that it comprises testing the integrity of one or more seals (118, 120) of the adjustable joint through a test hole (124) in the fracturing head.
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    法律状态:
    2018-10-23| B25A| Requested transfer of rights approved|Owner name: CAMERON TECHNOLOGIES LIMITED (NL) |
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-11-19| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-01-05| B09A| Decision: intention to grant|
    2021-03-30| B09W| Decision of grant: rectification|Free format text: RETIFICACAO NO QUADRO I |
    2021-04-13| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/09/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/242,946|US10132146B2|2011-09-23|2011-09-23|Adjustable fracturing head and manifold system|
    US13/242,946|2011-09-23|
    PCT/US2012/056495|WO2013043976A1|2011-09-23|2012-09-21|Adjustable fracturing head and manifold system|
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