CN104520526A - Horizontal fracturing tree - Google Patents
Horizontal fracturing tree Download PDFInfo
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- CN104520526A CN104520526A CN201280075147.6A CN201280075147A CN104520526A CN 104520526 A CN104520526 A CN 104520526A CN 201280075147 A CN201280075147 A CN 201280075147A CN 104520526 A CN104520526 A CN 104520526A
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- horizontal fractures
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- 239000012530 fluid Substances 0.000 claims abstract description 38
- MUKYLHIZBOASDM-UHFFFAOYSA-N 2-[carbamimidoyl(methyl)amino]acetic acid 2,3,4,5,6-pentahydroxyhexanoic acid Chemical compound NC(=N)N(C)CC(O)=O.OCC(O)C(O)C(O)C(O)C(O)=O MUKYLHIZBOASDM-UHFFFAOYSA-N 0.000 claims description 40
- 241001533104 Tribulus terrestris Species 0.000 claims description 40
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/2607—Surface equipment specially adapted for fracturing operations
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- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Revetment (AREA)
- Hydraulic Motors (AREA)
- Valve Housings (AREA)
Abstract
A system 10, in certain embodiments, includes a horizontal fracturing tree 24. The horizontal fracturing tree 24 includes a first hydraulic fracturing bore configured to flow a first fluid, wherein the first hydraulic fracturing bore extends along a first horizontal axis 26, and the first horizontal axis 26 is generally perpendicular to a vertical axis 30 of a wellhead 18.
Description
Background technology
This part is intended to introduce the many aspects that may relate to the technology of each side of the present invention to reader, and these aspects are hereafter describing and/or proposing claim.Believe that this discusses to contribute to reader with background's information to promote better understanding to various aspects of the present invention.Therefore, should be appreciated that, these statements should take this to understand, and the accreditation not to prior art.
The fracturing being commonly referred to pressure break is a kind of for strengthening and improve the technology of oil and natural gas from the exploitation the natural reservoir of underground.Or rather, pressure break relates to high pressure by fracturing fluid, and such as, main water and husky mixture inject oil or gas well.Inject fracturing fluid, thus the down-hole pressure of well is increased to the level of the fracture gradient being greater than subterranean strata, wherein drilling well in described subterranean strata.The injection of high pressure fracture fluid can cause subterranean strata to break.Afterwards, fracturing fluid enters in the crack be formed in rock, and causes crack spread and extend in rock stratum.In this way, the porosity of subterranean strata and permeability improve, and allow oil and natural gas more freely to flow in well thus.
Plurality of devices is used in fracturing process.Such as, fracturing fluid blender, the pressure break unit, frac tank etc. of high-pressure pump with high power capacity may be used in fracturing operation.In addition, pressure break axle is coupling between the water source of well and pressure break unit usually.Pressure break axle has multiple valve to control through the flowing of pressure break axle fracturing fluid and production fluid.
Accompanying drawing explanation
After reading following detailed description of the invention with reference to accompanying drawing, will have a better understanding each feature of the present invention, aspect and advantage, in all figure, same-sign represents same section, wherein:
Fig. 1 is the schematic diagram of a kind of surface applications of the horizontal fractures axle system be coupled on wellhead component;
Fig. 2 is the embodiment of the horizontal fractures axle system with single horizontal branch;
Fig. 3 is the embodiment of the horizontal fractures axle system with unified block configuration and two horizontal branch;
Fig. 4 is the embodiment of the horizontal fractures axle system be installed on skid;
Fig. 5 is the embodiment of the horizontal fractures axle system with two horizontal goat head (goathead) connectors; And
Fig. 6 is the embodiment of the horizontal fractures axle system with casing hanger, and described casing hanger has the access interface of lateral aperture.
Detailed description of the invention
One or more specific embodiment of the present invention hereafter will be described.Embodiment described by these is only demonstrated the present invention.In addition, for providing simple and clear description to these one exemplary embodiment, in manual, may fail to describe all features of actual embodiment.Should be appreciated that, when developing this type of actual embodiment any in any engineering or design object, all should work as and make relevant various decisions specific for embodiment, to realize the objectives of developer, such as, whether will observe relevant to system and relevant with business restrictive condition, these restrictive conditions may be different because of the difference of embodiment.In addition, should be appreciated that, this type of exploitation may unusual complicated and time consumption, in any case but for the those skilled in the art benefiting from this disclosure, this type of exploitation is still conventional design, construction and manufacturing operation.
When introducing the element of various embodiments of the present invention, article " ", " one ", " being somebody's turn to do " and " described " are intended to indicate this element one or more.Term " comprises ", " comprising " and " having " be intended to comprising property of expression implication, and represents except listed element, may also have other elements.In addition, for convenience's sake, use the modification of " top ", " bottom ", " top ", " below " and these terms, and do not require any certain orientation of parts.
Embodiments of the invention comprise the pressure break axle (such as, horizontal fractures axle) with horizontal arrangement, and described pressure break beam warp is configured to reduce the moment of flexure caused by vibration, outer load (such as, the pipeline of connection) etc.Specifically, horizontal fractures axle to be designed for (such as, the continental rise) surface applications in air ambient especially.Therefore, horizontal fractures axle can have multiple support, pillar, connector and be designed for the miscellaneous part of surface applications.Concept described herein is not limited to pressure break axle.In fact, these concepts are also applicable to other flow control devices, only lift a few example, such as, and oil recovery axle, well workover axle.
Fracturing or pressure break relate to injects well bore by fracturing fluid, to manufacture in the subterranean strata below well head and diffusion crack.In this way, the porosity of rock stratum and permeability improve, thus enhancing natural gas and oil are from the exploitation the natural reservoir below earth's surface.Fracturing fluid is introduced in well by the pressure break axle be connected on well head.
As described in detail, the embodiment disclosed provides the pressure break axle with horizontal arrangement.Exactly, pressure break axle can have the one or more arm or branch that flatly extend from the main valve of pressure break axle.The branch of pressure break axle comprises one or more pipeline connecting parts (such as, goat head connector), to guarantee the connection with frac system.Compared with the pressure break axle with arranged perpendicular, the horizontal arrangement of pressure break axle places pressure break connector closer in ground.Therefore, pressure break axle can stand the outside moment of flexure of the minimizing caused by excessive vibration and other loads of standing during fracturing process.
Fig. 1 is the schematic diagram of the frac system 10 with horizontal fractures axle 12 (such as, surperficial pressure break axle).As mentioned above, frac system 10 is for being formed at high pressure fracture fluid pump feeding in the well 14 in subterranean strata 16.Should be understood that well 14 can be natural gas and/or oil well.Horizontal fractures axle 12 is coupled on the well head 18 of well 14.As mentioned above, high pressure fracture fluid is introduced in well 14 by the horizontal fractures axle 12 be coupled on well head 18 by frac system 20.Frac system 20 can comprise multiple high power capacity and high-pressure pump and monitoring unit, and described monitoring unit is configured to supply fracturing fluid to horizontal fractures axle 12.In certain embodiments, fracturing fluid can comprise water.In other embodiments, fracturing fluid can comprise other components, such as, chemical gel or foam and gas, described gas such as, air, nitrogen and carbon dioxide.To understand, the certain content thing of fracturing fluid can depend on different factors, such as, and the type of rock stratum 16, required pressure of fracturing fluid etc.
Fracturing fluid, through horizontal fractures axle 12 and well head 18, enters in well bore 22.From well bore 22, fracturing fluid enters well 14, and the high pressure of fracturing fluid makes subterranean strata 16 break and spread.Formed in rock stratum 16 due to crack and spread, be therefore released from the extra gas of rock stratum 16 and/or oil and can flow in well 14 to be exploited.
As shown in the figure, horizontal fractures axle 12 has the horizontal branch 24 extended along horizontal axis 26 from well head 18.Horizontal branch 24 comprises at least one pipeline connecting parts (such as, goat head connector 28, this connector itself can comprise multiple connector), to be coupled with frac system 20.As described in detail, horizontal branch 24 can comprise the multiple goat head connectors 28 in multiple directions.In addition, goat head connector 28 can comprise WECO adapter connector, compressed fit connector or the guide coupling for being coupled to the other types on frac system 20.In certain embodiments, goat head connector 28 can have end that is threaded or butt welding, and can be configured to bear reach 5,000psi, 10,000psi, 15,000psi, the pressure of 20,000psi, 25,000psi or larger.In addition, as described below, horizontal fractures axle 12 comprises multiple valve, to regulate the frac fluid stream by horizontal fractures axle 12.
Should be understood that the horizontal orientation of horizontal fractures axle 12 can closer to locating goat head connector 28 in ground.Such as, the horizontal fractures system 10 disclosed has the vertical dimension or height 11 that are substantially less than vertical frac system and the horizontal dimension or the width 13 that are substantially greater than vertical frac system.In certain embodiments, height 11 can be less than about 12 inches, 18 inches, 24 inches, 30 inches, 36 inches, 42 inches or 48 inches.Such as, height 11 can be about 12 inches to 60 inches, 18 inches to 48 inches, or 24 inches to 36 inches.In addition, width 13 can be about 1 foot to 20 feet, 2 feet to 15 feet, or 3 feet to 10 feet.In certain embodiments, width 13 can be about 2:1 to 20:1,3:1 to 15:1 with the width ratio of height 11, or 4:1 to 10:1.According to other example, horizontal fractures axle 12 (that is, being positioned at the top of well head 18) can have the vertical dimension or height 15 that are substantially less than vertical pressure break axle and the horizontal dimension or the width 13 that are substantially greater than vertical pressure break axle.In certain embodiments, height 15 can be less than about 12 inches, 18 inches, 24 inches, 30 inches, 36 inches, 42 inches or 48 inches.Such as, height 15 can be about 12 inches to 48 inches, 18 inches to 42 inches, or 24 inches to 36 inches.In addition, width 13 can be about 1 foot to 20 feet, 2 feet to 15 feet, or 3 feet to 10 feet.In certain embodiments, width 13 can be about 2:1 to 20:1,3:1 to 15:1 with the width ratio of height 15, or 4:1 to 10:1.
As mentioned above, pressure break axle can through vibrated and create other power of moment of flexure in pressure break axle 12.By by outer load (such as, pipeline, valve and miscellaneous part) position closer to ground, horizontal fractures axle 12 reduces the possibility exceeding the moment of flexure of special parameter at connector 17 (such as, the flanged connector) place between well head 18 and horizontal fractures axle 12.In other words, outer loaded vertical ground, closer to connector 17, reduces any moment of flexure relevant with connector 17 thus substantially.Exactly, the moment of flexure around the vertical axis 30 of well 14 can utilize illustrated horizontal fractures axle 12 to reduce.In addition, horizontal fractures axle 12 can have multiple support, connector and pillar, to contribute to horizontal branch 24 to fix in the horizontal direction, and does not need connector 17 is bent.Horizontal fractures axle 12 also improves maintainability, because technician can more easily inspection and maintenance axle 12 on ground.Therefore, the operator of frac system 10 can not need outside lifting or rising equipment (such as, ladder, hydraulic elevator, or scaffold) to arrive goat head connector 28.In fact, all parts of horizontal fractures axle 12 and connector can access from ground.
Except the goat head connector 28 that may be used for fracturing process, horizontal fractures axle 12 also comprises vertical access connector 32.Therefore, well operator can enter separately well 14, and concurrent fracturing system 20 is coupled on horizontal fractures axle 12.As shown in the figure, vertical access connector 32 vertical axis 30 that is usual and well 14 is on a straight line.Vertical access connector 32 may be used for accessing in several cases in well 14.Such as, vertical access connector 32 may be used for natural gas and/or oil exploitation, insertion of fracturing fluid exploitation, pressure break axle etc.During fracturing process, vertical access connector 32 can not be used.In such cases, vertical access connector 32 can be plugged or seal, thus maintains the high pressure in well 14.Or rather, vertical access connector 32 can clog with one or more in multiple connector 34, such as, and metal or elastomeric seal.Such as, one-way back pressure valve (BPV) fill in 36 or cable set plug (wireline set plug) 38 and may be used for clogging vertical access connector 32.In certain embodiments, lubricating coupler 40 may be used for sealing vertical access connector 32.Should be understood that one or more connector 34 may be used for vertically accessing in connector 32, well 14 and well bore 22 to be isolated.In addition, as described below, one or more connector 34 can lateral aperture (72 in horizontal fractures axle 12; See Fig. 2) below uses, and is anyly coupling in equipment above horizontal fractures axle 12 by vertically accessing connector 32 to isolate.Vertical access connector 32 can also be used for multiple types of tools and other equipment to insert in well bore 22.
Fig. 2 is the schematic diagram of the embodiment of frac system 10, which illustrates the horizontal fractures axle 12 of the branch 24 had with three goat head connectors 28.In the illustrated embodiment in which, horizontal fractures axle 12 is coupled to and has on the main valve block 60 of main valve 62.Or rather, in this embodiment, horizontal fractures axle 12 is coupled on main valve block 60 by flange 64.In other embodiments, as described below, main valve block 60 and horizontal fractures axle 12 can be parts for single unified block or can be coupled by the union nut assembly drawn close by two parts.Should be understood that main valve 62 regulates the stream by being coupled to the main aperture 66 on well bore 22.Can be production fluid by the stream of main aperture 66, such as, natural gas and/or oil or the fracturing fluid supplied by frac system 20.The main aperture 66 of axle 12 and upright opening 67 through setting size to provide " hole access completely ", to make instrument can be inserted in well bore 22 by main aperture 66 and upright opening 67, and can not be subject to the restriction of main aperture 66 and upright opening 67.This can pass through, and such as, guarantees that main aperture 66 and upright opening 67 have internal diameter that is equal with the internal diameter of the production casing 69 in well bore 22 or that be greater than this internal diameter and realize.In certain embodiments, main valve 62 can manually operate.In other embodiments, main valve 62 can operate with hydraulic way.In addition, connector 34 can be arranged in main aperture 66, with part needed for clearance hole 66.Such as, connector 68 can be arranged in main aperture 66, frac fluid stream and well bore 22 to be isolated.Similarly, connector 70 can be arranged in main aperture 66, with the equipment blocking that will be coupled on vertical access connector 32.In addition, because illustrated embodiment only comprises a main valve 62, therefore well operator can enter well bore 22 by vertical access connector 32, and does not need through multiple valve.
As shown in the figure, lateral aperture 72 extends through horizontal fractures axle 12 along the horizontal axis 26 (such as, along horizontal branch 24) of pressure break axle 12, and is effectively connected on main aperture 66.Horizontal fractures axle 12 also comprises the valve 74 arranged along lateral aperture 72.Valve 74 is configured to control and regulate the frac fluid stream arriving main aperture 66 and well bore 22 from frac system.Owing to having main valve 62, therefore the valve 74 of horizontal fractures axle 12 can manually or with hydraulic way operate.Horizontal fractures axle 12 also comprises three goat head connectors 28 at one end 76 place being in the branch 24 relative with main aperture 66.Or rather, pressure break axle 12 comprises horizontal goat head connector 78, plan vertical goat head connector 80 and bottom vertical goat head connector 82.Although illustrated embodiment comprises three goat head connectors 38, other embodiments can comprise the pipeline connecting parts of 1,2,4,5,6 or more goat head connectors 28 or other types.Each goat head connector 28 is effectively connected on lateral aperture 72.Should be understood that in three goat head connectors 28 each can by conduit or be configured to flow fracturing fluid other pipelines and be connected on frac system 20.In addition, in the illustrated embodiment, horizontal fractures axle 12 is supported by the bracket 84 extending to main valve block 60 from pressure break axle 12.Such as, bracket 84 mechanically can be coupled (such as, fixing with bolt) or weld between pressure break axle 12 with block 60.In other embodiments, as described below, horizontal fractures axle 12 can by the post be installed on skid or bracket support.Bracket 84 contributes to horizontal branch 24 to fix in the horizontal direction, reduces any bending or pivotable of horizontal branch 24 relative to block 60, well head 18 or various connector (such as, flange 64) thus.
Fig. 3 is the schematic diagram of the embodiment of frac system 10, which illustrates the horizontal fractures axle 12 with two horizontal branch 24.Illustrated embodiment comprises the element similar with the embodiment shown in Fig. 2 and component number.Two horizontal branch 24 extend along horizontal axis 26 from main aperture 66.In addition, the horizontal branch 24 of pressure break axle 12 extends in relative horizontal direction.In other words, the first branch 100 flatly extends on first direction 102 away from well head 18, and the second branch 104 flatly extends in second direction 106 away from well head 18, and first direction 102 and second direction 106 separately about 180 degree.In other embodiments, first direction 102 and second direction 106 can separate about 1 to 179 degree, 2 to 150 degree, 3 to 100 degree, 4 to 50 degree, or 5 to 25 degree.Similarly, other embodiments of horizontal fractures axle 12 can comprise three or more horizontal branch 24.Such as, the branch 24 of horizontal fractures axle 12 can be configured (such as to be arranged symmetrically with around well head 18, Liang Ge branch 24 separates 180 degree, three branches 24 and separates 120 degree, four branches and separate 90 degree, five branches 24 and separate 72 degree, or six branches 24 separate 60 degree), reduce the possibility relative to any bending of well head 18, block 60 and related fittings (such as, flange 64) or pivotable thus.Being arranged symmetrically with of branch 24 can comprise substantially equal length, diameter and/or weight to contribute to around well head 18 distributed load symmetrically.In other embodiments, branch 24 may not be in being arranged symmetrically with of well head 18.
As shown in the figure, the lateral aperture 72 of each in the first branch 100 of horizontal fractures axle 12 and the second branch 104 is effectively connected on main aperture 66.Therefore, in fracturing operation process, two frac fluid stream can enter in main aperture 66, indicated by arrow 103.In addition, two horizontal branch 100 and 104 have three goat head connectors 28, and wherein each goat head connector 28 is effectively connected on the respective horizontal hole 72 of the first branch 100 and the second branch 104.As mentioned above, horizontal branch 24 can have the goat head connector 28 of other numbers, such as, and the goat head connector 28 of 1,2,4,5,6 or more.
In the illustrated embodiment in which, the first horizontal branch 100 and the second horizontal branch 104 and main valve block 60 form single continuous print block 108.In other words, the first horizontal branch 100 and the second horizontal branch 104 and main valve block 60 can be single piece and not coupled to each other by flange 64.Such as, single metal block may be used for forming branch 100 and 104 and block 60, instead of is linked together by independent metal parts.In other embodiments, the first horizontal branch 100 and the second horizontal branch 104 and main valve block 60 can be coupled regularly via welding point or other permanent connectors.In this way, the decreased number of flange in frac system 10 64 and other removable connectors, thereby increases the structural integrity in frac system 10 and decreases the impact that moment of flexure produces frac system 10.
Fig. 4 is the schematic diagram of the embodiment of frac system 10, which illustrates the horizontal fractures axle 12 be installed on skid 120.Illustrated embodiment comprises the element similar with the embodiment shown in Fig. 2 and component number.As shown in the figure, skid 120 carries out arranging and support level pressure break axle 12 around well head 18.In certain embodiments, skid 120 can comprise completely by structural member (such as, crossbeam and framework) around central opening, to be assemblied in central opening to make well head 18 and completely by structural member around.Therefore, horizontal fractures axle 12 by being installed the position that skid 120 moves to above well head 18, and can reduce skid 120 downwards subsequently gradually, can be assemblied in central opening to make well head 18.In other embodiments, skid 120 can comprise and to extend to opening the core of skid 120 or groove from the marginal water level land of skid 120.Therefore, horizontal fractures axle 12 can be installed, to make well head little by little move along groove, until axle 12 is in correct position by flatly moving skid 120 towards well head 18.In another embodiment, skid 120 to contribute between the installation period of axle 12 and rear support, aligning and alignment axle 12 usually.In addition, horizontal fractures axle 12 is supported by the bracket 122 extended between horizontal fractures axle 12 and skid 120.In certain embodiments, bracket 122 mechanically can be fixed (such as, fixing with bolt) or be welded between horizontal fractures axle 12 and skid 120.Skid 120 is fixed on ground by anchor post 124.Such as, anchor post 124 can be fixed on ground by concrete or other anchoring materials.
In addition, skid 120 comprises adjustment supporting leg 126.Supporting leg 126 is regulated to guarantee the level adjustability of skid 120 apart from the height 128 on ground.Such as, supporting leg 126 is regulated can be the supporting leg of pneumatic actuation, hydraulically powered supporting leg, motor-driven supporting leg, threaded supporting leg or its any combination.In addition, regulate supporting leg 126 manually can be regulated by operator, or regulate supporting leg 126 automatically can regulate by being incorporated to sensor feedback, user's input and the controller of each model (such as, the cad model, landscape model etc. of axle 12).
Because the height 128 of skid 120 is conditioned, therefore the height of horizontal fractures axle 12 is conditioned.Regulate supporting leg 126 to may be used for providing extra vertical support, so that horizontal fractures axle 12 is retained on appropriate location, stop any unwanted movement of axle 12 thus.Regulate supporting leg 126 can also be used for aliging axle 12 relative to ground registration axle 12 and/or relative to well head 18.Such as, adjustment supporting leg 126 to the right may be used for the right-hand component promoting or reduce skid 120, and therefore promotes or reduce horizontal fractures axle 12.Similarly, adjustment supporting leg 126 left may be used for the left-hand component promoting or reduce skid 120, and therefore promotes or reduce horizontal fractures axle 12.
Fig. 5 is the schematic diagram of the embodiment of frac system 10, which illustrates the horizontal fractures axle 12 with two horizontal goat head connectors 28.Illustrated embodiment comprises the element similar with the embodiment shown in Fig. 2 and component number.As shown in the figure, the end 76 of the branch 24 of pressure break axle 12 comprises two goat head connectors 28.Or rather, each goat head connector 28 flatly extends from the end 76 of branch 24.In other words, each horizontal axis 26 along horizontal fractures axle 12 in goat head connector 28 extends from end 76.As mentioned above, each goat head connector 28 is effectively connected on lateral aperture 72.
Fig. 6 is the embodiment of frac system 10, which illustrates the well head 18 with casing hanger 140, and described casing hanger 140 has the access interface 142 for lateral aperture 72.Illustrated embodiment comprises the element similar with the embodiment shown in Fig. 2 and component number.As shown in the figure, lateral aperture 72 extends through the access interface 142 of casing hanger 140 and is coupled on main aperture 66.In addition, in the illustrated embodiment, main valve 62 to be located along lateral aperture 72 on horizontal fractures axle 12.Should be understood that lateral aperture 72 enables operator access casing hanger 140 (such as, by vertically accessing 32) by the access interface 142 of casing hanger 140 with the connection of main aperture 66, and do not need mobile and horizontal pressure break axle 12.Similarly, operator can access main aperture 66 and well bore 22, and does not need to remove horizontal fractures axle 12 from well head 18.
Although the present invention may have multiple amendment or alternative form, illustrate specific embodiment by way of example at this and be described in detail.But, should be appreciated that, the invention is not restricted to disclosed particular form.In fact, all modifications, equivalent and the alternative form that will contain in the spirit and scope of the present invention that define as appended claims of the present invention.
Claims (21)
1. a system, described system comprises:
Continental rise horizontal fractures axle, described continental rise horizontal fractures axle comprises:
Be configured to the first fracturing hole of flowing first fluid, wherein said first fracturing hole extends along the first horizontal axis, and described first horizontal axis is usually perpendicular to the vertical axis of well head.
2. system according to claim 1, wherein said continental rise horizontal fractures axle comprises the first goat head connector, and wherein said first goat head connector is effectively connected on described first fracturing hole.
3. system according to claim 2, wherein said first goat head connector extends along described first horizontal axis.
4. system according to claim 2, wherein said first goat head connector extends along described vertical axis.
5. system according to claim 2, wherein said continental rise horizontal fractures axle comprises the second goat head connector be operatively coupled on described first fracturing hole, wherein said first goat head connector along described first horizontal axis extend and described second goat head connector extend along described vertical axis.
6. system according to claim 2, wherein said continental rise horizontal fractures axle comprises the second goat head connector be operatively coupled on described first fracturing hole, wherein said first goat head connector along described first horizontal axis extend and described second goat head connector along described first horizontal axis extend.
7. system according to claim 1, wherein said continental rise horizontal fractures axle is coupled to be had on the main valve block of main valve, and described main valve block is coupled on well head.
8. system according to claim 7, described system comprises the bracket extended to from described continental rise horizontal fractures axle described main valve block, and wherein said bracket is configured to support described continental rise horizontal fractures axle.
9. system according to claim 7, described system comprises:
Skid, described skid is arranged to around described well head and is configured to be fixed on ground; And
At least one bracket, at least one bracket described is arranged between described skid and described continental rise horizontal fractures axle, and wherein said bracket is configured to support described continental rise horizontal fractures axle.
10. system according to claim 9, wherein said skid comprises at least one and highly regulates supporting leg, and described height regulates supporting leg to be configured to the height regulating described skid apart from described ground.
11. systems according to claim 1, wherein said continental rise horizontal fractures axle comprises the vertical access connector extended along described vertical axis.
12. systems according to claim 11, wherein said vertical access connector is configured to receive connector or instrument.
13. 1 kinds of systems, it comprises:
Continental rise horizontal fractures axle, described continental rise horizontal fractures axle comprises:
First fracturing hole, described first fracturing aperture is configured to the first fluid that flows, and wherein said first fracturing hole extends along the first horizontal axis, and described first horizontal axis is usually perpendicular to the vertical axis of well head;
First valve, described first valve is arranged along described first fracturing hole; And
Second valve, described second valve is arranged along described first fracturing hole.
14. systems according to claim 13, wherein said continental rise horizontal fractures axle comprises main valve and is in the vertical access connector on a straight line with the described vertical axis of described well head, and described first valve and described second valve flatly offset from described vertical axis.
15. systems according to claim 13, wherein said continental rise horizontal fractures axle comprises:
Second fracturing hole, described second fracturing aperture is configured to the second fluid that flows, wherein said second fracturing hole extends along the second horizontal axis, described second horizontal axis is usually perpendicular to the described vertical axis of described well head, and described second fracturing hole is different from described first fracturing hole; And
3rd valve, described 3rd valve is arranged along described second fracturing hole.
16. systems according to claim 13, wherein said continental rise horizontal fractures axle comprises the main body of the entirety with described first fracturing hole.
17. systems according to claim 13, wherein said continental rise horizontal fractures axle is supported by the skid with at least one height adjustment mechanism.
18. 1 kinds of systems, it comprises:
Continental rise horizontal fractures axle, described continental rise horizontal fractures axle comprises:
First horizontal fractures axle branch, wherein said first horizontal fractures axle branch comprises the first fracturing hole, and described first fracturing aperture is configured to flowing first hydraulic fracture fluids; And
First pillar, described first pillar is configured to described first horizontal fractures axle leg supports in the first horizontal direction.
19. systems according to claim 18, wherein said continental rise horizontal fractures axle comprises:
Second horizontal fractures axle branch, wherein said second horizontal fractures axle branch comprises the second fracturing hole, and described second fracturing aperture is configured to flowing second hydraulic fracture fluids; And
Second pillar, described second pillar is configured to described second horizontal fractures axle leg supports in the second horizontal direction.
20. systems according to claim 18, wherein said first horizontal fractures axle branch comprises at least one goat head connector, and at least one goat head connector described to be operatively coupled on described first fracturing hole and to be configured to described first hydraulic fracture fluids that flows.
21. 1 kinds for controlling the shaft assembly of the fluid of well bore, described shaft assembly comprises:
Coupling part, described coupling part is configured to described axle to be coupled on the wellhead component of described well bore;
First hole, described first hole and described well bore coaxial;
Second hole, described second hole and described first hole not parallel; And
Fracturing fluid receiving unit, described fracturing fluid receiving unit is coupled on described second hole, and the fracturing fluid of introducing was first received by described second hole before being received by described first hole.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2012/059616 WO2014058424A1 (en) | 2012-10-10 | 2012-10-10 | Horizontal fracturing tree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104520526A true CN104520526A (en) | 2015-04-15 |
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ID=50477736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280075147.6A Pending CN104520526A (en) | 2012-10-10 | 2012-10-10 | Horizontal fracturing tree |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2776659B1 (en) |
| CN (1) | CN104520526A (en) |
| BR (1) | BR112014002714B1 (en) |
| CA (2) | CA2850071C (en) |
| MX (1) | MX360842B (en) |
| PL (1) | PL2776659T3 (en) |
| WO (1) | WO2014058424A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503517A (en) * | 2020-05-28 | 2020-08-07 | 烟台杰瑞石油装备技术有限公司 | Fracturing conveying ground manifold system |
| CN114110219A (en) * | 2020-08-28 | 2022-03-01 | 中国石油化工股份有限公司 | Automatic control device for high-low pressure limiting valve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11834941B2 (en) * | 2016-12-14 | 2023-12-05 | Cameron International Corporation | Frac stack well intervention |
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- 2012-10-10 PL PL12778584T patent/PL2776659T3/en unknown
- 2012-10-10 CA CA2850071A patent/CA2850071C/en active Active
- 2012-10-10 MX MX2014001191A patent/MX360842B/en active IP Right Grant
- 2012-10-10 EP EP12778584.8A patent/EP2776659B1/en active Active
- 2012-10-10 WO PCT/US2012/059616 patent/WO2014058424A1/en active Application Filing
- 2012-10-10 CA CA3106920A patent/CA3106920C/en active Active
- 2012-10-10 CN CN201280075147.6A patent/CN104520526A/en active Pending
- 2012-10-10 BR BR112014002714-5A patent/BR112014002714B1/en active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| CA3106920A1 (en) | 2014-04-17 |
| BR112014002714A8 (en) | 2017-06-20 |
| BR112014002714A2 (en) | 2017-06-13 |
| MX360842B (en) | 2018-11-20 |
| CA2850071C (en) | 2021-03-23 |
| PL2776659T3 (en) | 2020-10-05 |
| CA2850071A1 (en) | 2014-04-17 |
| WO2014058424A1 (en) | 2014-04-17 |
| CA3106920C (en) | 2023-06-13 |
| MX2014001191A (en) | 2015-01-07 |
| BR112014002714B1 (en) | 2021-02-23 |
| EP2776659B1 (en) | 2019-11-20 |
| EP2776659A1 (en) | 2014-09-17 |
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