CN110439479A - Oil/gas drilling well head aspirates the row's of helping manifold system - Google Patents

Abstract

The present invention provides a kind of oil/gas drilling well heads to aspirate the row's of helping manifold system comprising multiple hard tube spool bodies can aspirate Zhu Pai mechanism to the adjustable drilling well drain pipe wire loop of negative-pressure ward effect is realized at drilling well-head and/or pipeline turning position and can realize the drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism of telescopic connection.The present invention is able to solve stratum and goes out safety difficulties when gas drilling under the conditions of a small amount of natural gas opens well operations, it significantly improves gas bearing interval gas drilling and opens well operations safety, it can also apply to conventional direct circulation or reacting cycle gas drilling, to which the local losses of right angle turn be effectively reduced, keep earth's surface sediment outflow process more smooth；Can also it is light, convenient, optionally adjust sediment outflow length of pipeline, quickly the docking of sediment outflow pipeline is got up, avoids lifting sled repeatedly, reduces the workload and working strength of staff, shortens the installation exercise period, saving operating personnel's cost and crane cost of use.

Description

Oil/gas drilling well head aspirates the row's of helping manifold system

Technical field

The present invention relates to oil/gas drilling (probing) field of engineering technology, further say, are related to a kind of drilling well drain pipe Remittance device systems can be used for implementing nitrogen suction safety work under the conditions of stratum goes out a small amount of natural gas, it can also be used to direct circulation Or the sediment outflow resistance of earth's surface sediment outflow manifold is reduced when counterflush drilling, improve sediment outflow effect.

Background technique

In general, air drilling has speed-raising, controls leakage and protect the advantages such as reservoir, in recent years in Chongqing of Sichuan, Xinjiang, Qinghai Equal oil gas block is widely applied, and year-on-year conventional drilling raises speed 3 times or more.The gas bearing interval of hardly possible boring property difference is bored using gas Well speed-raising is more universal；However, (≤10000m when drilling strata goes out a small amount of natural gas³/ d), circulatory mediator is converted to lazy Property gas nitrogen to avoid down-hole blasting accident generation, but usually because lack annular preventer, drilling tool size can not pass through greatly The reasons such as swivel control head assembly, when making a trip, replacing the spacious well operations such as glue core, there are natural gases may overflow well head, band Larger security risk is carried out.

When carrying out spacious well operations such as " make a trip, replace glue core " under the conditions of there is no solution stratum to go out a small amount of natural gas at this stage Natural gas overflows the effective measures of this problem of well head, current mainly to dispel and overflow by opening the explosion-proof exhaust fan of rig floor or more Natural gas out prevents its aggregation.There are many deficiencies for this processing method:

1. belonging to passive control measure, natural gas cannot fundamentally be prevented to overflow well head, and be only capable of dispelling by exhaust fan The natural gas that may be overflowed；

2. avoiding assembling although explosion-proof exhaust fan can dispel spilling natural gas, but rig floor, well head operator still need to directly For junction to the natural gas that may be overflowed, there are larger security risks, especially carry out percussion operation；

3. because being unable to ensure field work safe, the (≤10000m when drilling strata goes out a small amount of natural gas³/ d), usually by Compel to terminate gas drilling operation in advance, is unfavorable for the performance of speed-raising advantage.

In addition, in general, sediment outflow pipeline uses flanged joint in the well site of gas drilling, preferably straight to connect out well site Outside.Since sediment outflow pipeline diameter is big, weight is big, when most, the docking between live sediment outflow pipeline is all highly difficult, is difficult Accomplish once to dock in place.In general, can all have gap between two sediment outflow pipelines.In order to guarantee that connection is accomplished to fit together perfectly, need The flange (or clip) of line end to be touched together, is then fastened using modes such as artificial lift, crowbar sleds.Due to Sediment outflow pipeline weight is very big, causes pipeline to install inconvenient.This not only considerably increases the installation exercise time, increases The workload and working strength of staff, also improves operating personnel's cost and crane cost of use, or even will cause brill Machine etc. stops, and extends the serious consequence of drilling period.

Summary of the invention

It is an object of the invention to solve at least one in deficiencies of the prior art.

For example, when going out that gas drilling opens well operations under the conditions of a small amount of natural gas it is an object of the present invention to solving stratum Safety problem and gas drilling well site in sediment outflow pipeline docking difficult problem.Another object of the present invention is to available When solving conventional direct circulation or reacting cycle gas drilling (especially counterflush drilling), due to earth's surface sediment outflow channel, there are many places The place of right-angled bend, and cause local losses very big, and then the problem of influence sediment outflow effect and in the well site of gas drilling The docking difficult problem of sediment outflow pipeline.

At least one of to achieve the goals above, the present invention provides a kind of suctions of oil/gas drilling well head to help comb remittance system System, the oil/gas drilling well head suction row's of helping manifold system includes multiple hard tube spool bodies, and the multiple hard tube spool body includes Along the first hard tube spool body and the second hard tube spool body of fluid flow direction setting, which is characterized in that the oil/gas drilling well Mouthful suction row of helping manifold system further includes that adjustable drilling well drain pipe wire loop aspirates Zhu Pai mechanism and drilling well sediment outflow pipeline with stretching Contracting formula length of pipeline adjustment mechanism, wherein the adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism includes: along first axle To the basic flange of coaxial arrangement, gas injection shell, core public affairs pipe and upper core pipe, wherein basic flange has left side, is provided with The right side of outer conical surface and the outer protruding portion radially protruded；Gas injection shell includes the left side with the first internal diameter Portion, the right side with the second internal diameter and one or more gas injection joint, wherein first internal diameter is greater than described the The left side of two internal diameters, the gas injection shell is fastenedly connected by anti-rotation component and the outer protruding portion of the basic flange, institute The inner periphery for stating the right side of gas injection shell is provided with the first screw thread, and the gas injection joint can will be corresponding to first internal diameter Space be connected to extraneous gas；Core public affairs pipe includes being inserted into the left side of core pipe and by first seal and upper core pipe The right side that inner peripheral wall is in close contact, the left side with the second screw thread, and it is formed in the left side of core public affairs pipe Inner periphery on internal conical surface, wherein second screw thread is arranged on the outer wall of core public affairs pipe and can be with first spiral shell Line cooperation realizes core public affairs pipe being moved to the left or right relative to gas injection shell to correspond to the pivoting of core public affairs pipe, The internal conical surface can cooperate with the outer conical surface of the right side of the basic flange to be formed and the gas injection joint Adjustable injection channel of connection, so that corresponding to the described of core public affairs pipe is moved to the left or right corresponding realization injection channel Close or open；The drilling well sediment outflow pipeline includes axially being coaxially disposed along second with collapsible tubes line length adjustment mechanism Lower basis flange, lower base pipe, upper base pipe, level-one protruded tube, stop collar and second level protruded tube, wherein the lower basis Flange has left side, and is provided with the right side of the outer protruding portion radially protruded；The lower base pipe has logical It crosses on the left side and inner peripheral surface that the outer protruding portion of the right side of anti-rotation component and lower basic flange is fastenedly connected It is provided with the right side of third screw thread；The upper base pipe includes the left side with third internal diameter and the right side with the 4th internal diameter Side, wherein third internal diameter is greater than the 4th internal diameter, and being provided on the outer circle wall of the left side of upper base pipe can be under The 4th screw thread that the third of the right side of base pipe is threadedly engaged；The level-one protruded tube includes a left side with first external diameter Side, the right side with second external diameter and be arranged in level-one protruded tube the right side inner peripheral surface on limit Protruding portion, wherein first external diameter is greater than the third internal diameter, and second external diameter is less than the third internal diameter, level-one protruded tube The left-hand portion is between the left side of the left side of upper base pipe and the right side of the outer protruding portion of lower basic flange, level-one The right side position of protruded tube is in the right side of the left side of the right side of upper base pipe and the outer protruding portion of lower basic flange Between, and level-one protruded tube can in the space that outer protruding portion, lower base pipe and the upper base pipe of lower basic flange are constituted to A left side moves right；The stop collar is fixedly connected on the inner peripheral wall of the left side of level-one protruded tube；The second level Protruded tube includes the left side with third outer diameter being linked in sequence, the middle protrusion with the 4th outer diameter and has outside the 5th The right side of diameter, wherein for the third outer diameter less than the 4th outer diameter, the 5th outer diameter is less than the 4th outer diameter and is equal in the described 4th Diameter, the left side of second level protruded tube are inserted into the right side of lower basic flange after passing through the stop collar, it is described in Protrusion is located between the limiting projection and the stop collar of level-one telescoping tube, so that second level protruded tube can be stretched in level-one It is moved to the left or right between the limiting projection and the stop collar of the draw；Adjustable drilling well drain pipe wire loop suction One or both of following manner connection type may be selected in Zhu Pai mechanism: first, adjustable drilling well drain pipe wire loop is aspirated The left side of the basic flange of Zhu Pai mechanism is connect with well head, adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism The right side of upper core pipe is connect with the arrival end of the first hard tube spool body；Second, adjustable drilling well drain pipe wire loop suction helps The left side for arranging the basic flange of mechanism is connect with the outlet end of the first hard tube spool body, adjustable drilling well drain pipe wire loop The right side of the upper core pipe of shape suction Zhu Pai mechanism is connect with the arrival end of the second hard tube spool body.The adjustment of collapsible tubes line length Any one of the following manners or two or more connection types may be selected in mechanism: first, collapsible tubes line length adjustment mechanism The left side of lower basic flange and two hard tube spool bodies adjacent to each other in the multiple hard tube spool body in The outlet end of previous hard tube spool body connects, the right side of the second level protruded tube of collapsible tubes line length adjustment mechanism with The arrival end connection of the latter hard tube spool body in two hard tube spool bodies adjacent to each other；Second, telescopic pipeline The left side of the lower basic flange of length adjusting mechanism is upper with adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism The right side of core pipe connects, the right side of the second level protruded tube of collapsible tubes line length adjustment mechanism be correspondingly positioned at it is adjustable Formula drilling well drain pipe wire loop aspirates the arrival end connection of the hard tube spool body after Zhu Pai mechanism；Third, collapsible tubes wire length Spend the right side of the second level protruded tube of adjustment mechanism and the basis of adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism The left side of flange connects, the left side of the lower basic flange of collapsible tubes line length adjustment mechanism be correspondingly positioned at The outlet end connection of hard tube spool body before adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism.Second it is axial can be with the One is axial unrelated.For example, second axial or coincidence parallel with first axis or can intersect or antarafacial.

In an exemplary embodiment of the present invention, the adjustable drilling well drain pipe wire loop aspirates Zhu Pai mechanism Quantity can be one or more.In addition, the adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism may be provided at Pithead position and/or pipeline turning downstream position.

In an exemplary embodiment of the present invention, the suction Zhu Pai mechanism may also include core pipe flange, described The right side of upper core pipe can be connect by upper core pipe flange with the arrival end of the first hard tube spool body, or with the second hard tube spool body Arrival end connection.

In an exemplary embodiment of the present invention, the suction Zhu Pai mechanism may also include core pipe shackle member, institute Stating core pipe shackle member the right side of core public affairs pipe and upper core pipe clamping and can will limit between upper core pipe and core public affairs pipe Axial displacement.

In an exemplary embodiment of the present invention, the core public affairs pipe further includes the left side that core public affairs pipe is arranged in On side and be located at second screw thread on the left of the evagination circumferential part radially protruded, with improve first screw thread with Described second leakproofness being threadedly engaged.

In an exemplary embodiment of the present invention, the core public affairs pipe further includes that can make core under external force Public pipe realizes the revolution auxiliary section of the pivoting.

In an exemplary embodiment of the present invention, the suction Zhu Pai mechanism may also include gas compressing apparatus, institute The gas outlet for stating gas compressing apparatus is connect with the gas injection joint of gas injection shell.

In an exemplary embodiment of the present invention, the right side of the basic flange can pass through dismountable anti-rotation Component is fastenedly connected with gas injection shell.

In an exemplary embodiment of the present invention, drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism Quantity can for one or more.In addition, the drilling well sediment outflow pipeline may be provided at collapsible tubes line length adjustment mechanism Between adjacent adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism and hard tube spool body, and/or it may be provided at adjacent Between two hard tube spool bodies.

In an exemplary embodiment of the present invention, the collapsible tubes line length adjustment mechanism may also include second level and stretch Pipe flange out, the second level stretches out pipe flange can be by the entrance of the right side of second level protruded tube and the second hard tube spool body End connection, or connect with the arrival end of the latter hard tube spool body.

The collapsible tubes line length adjustment mechanism may also include the first containment member, the second containment member and third sealing Component, wherein the outer circle wall of the left side of level-one protruded tube and the inner circle of lower base pipe is arranged in first containment member Between peripheral wall, the outer circle wall of the left side of second level protruded tube and the inner circle of lower basic flange is arranged in second containment member Between peripheral wall, the outer circle wall of the middle protrusion of second level protruded tube and the right side of level-one protruded tube is arranged in the third containment member Between the inner peripheral wall in portion.

In an exemplary embodiment of the present invention, the collapsible tubes line length adjustment mechanism may also include fluid injection Mouthful, the space that the first, second, and third containment member surrounds can be connect by the liquid injection port with the first hydraulic press.

In an exemplary embodiment of the present invention, first containment member, the second containment member and third sealing One or more of component may include mutually matched sealing ring and seal groove.In addition, the collapsible tubes line length adjustment Mechanism may also include the 4th containment member and the 5th containment member, wherein upper base pipe is arranged in the 4th containment member Between left side and the right side of lower base pipe, the right side of upper base pipe is arranged in the 5th containment member and second level is stretched out Between the right side of pipe.In addition, the collapsible tubes line length adjustment mechanism may also include liquid return hole, the liquid return hole can be incited somebody to action The first, the space that the containment member of third, the 4th and the 5th surrounds is connect with the second hydraulic press.4th containment member and/or 5th containment member may include mutually matched sealing ring and seal groove.

In an exemplary embodiment of the present invention, the stop collar, which is threadably secured, is connected to level-one protruded tube On the inner peripheral wall of the left side.

Detailed description of the invention

Fig. 1 shows the signal of an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention Figure；

Fig. 2 a is shown in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention Adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism is along axial the schematic diagram of the section structure；

Fig. 2 b shows the partial enlargement diagram of the I in Fig. 2 a；

Fig. 3 show in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention can The appearance figure of mode drilling well drain pipe wire loop suction Zhu Pai mechanism；

Fig. 4 shows an exemplary embodiment of adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism of the invention The schematic diagram of the section structure being in close state；

Fig. 5 shows the partial enlargement diagram of the N in Fig. 4；

Fig. 6 show in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention can The appearance figure of mode drilling well drain pipe wire loop suction Zhu Pai mechanism；

Fig. 7 a is shown in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention The structural schematic diagram of drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism；

Fig. 7 b shows the cross-sectional view corresponding to the section H-H in Fig. 7 a；

Fig. 8 shows the brill in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention The appearance diagram of well sediment outflow pipeline collapsible tubes line length adjustment mechanism；

Fig. 9 shows the brill in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention The level-one of well sediment outflow pipeline collapsible tubes line length adjustment mechanism stretches out the schematic diagram of state；

Figure 10 is shown in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention The second level of drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism stretches out the schematic diagram of state；

Figure 11 is shown in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention The appearance figure of drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism.

Description of symbols:

A '-adjustable drilling well drain pipe wire loop aspirates Zhu Pai mechanism, B- drilling well sediment outflow pipeline collapsible tubes line length Adjustment mechanism, C- hard tube spool body；

The basis A ' 1- flange, A ' 2- gas injection joint, core pipe on A ' 3-, core pipe flange on A ' 4-, core pipe snap ring, A ' on A ' 5- Core pipe snap ring tight fixed bolt on 6- core pipe (public affairs), A ' 7- gas injection shell, A ' 8- soket head cap screw and A ' 9-；

Base pipe, B4- level-one protruded tube stop collar, the upper base of B5- under basic pipe flange, B2- level-one protruded tube, B3- under B1- Plinth pipe, B6- second level protruded tube, B7- second level stretch out pipe flange, B8- oil return opening, B9- soket head cap screw and B10- pouring orifice.

Specific embodiment

Hereinafter, the oil/gas drilling well head suction that the present invention will be described in detail will be carried out in conjunction with attached drawing and exemplary embodiment to help Arrange manifold system.It should be noted that " first ", " second ", " third ", " the 4th ", " the 5th ", etc. just for the sake of conveniently retouching It states and is convenient for distinguishing, be not understood to indicate or imply relative importance."upper", "lower", "inner", "outside" "left", "right" are only Only for ease of description with constitute opposite orientation or positional relationship, and not indicating that or implies the component of meaning must have The particular orientation or position.

In an exemplary embodiment of the present invention, the oil/gas drilling well head suction row's of helping manifold system includes multiple Hard tube spool body, the multiple hard tube spool body include the first hard tube spool body and the second hard tube along fluid flow direction setting Spool body, and the oil/gas drilling well head suction row's of helping manifold system further includes that adjustable drilling well drain pipe wire loop suction helps Arrange mechanism and drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism.Here, hard tube spool body can be such as threeway, straight Pipelines ontology such as angle elbow, straight tube etc..In addition, hard tube spool body may be gas drilling manifold radial orientation angle stepless-adjustment Angle mechanism (Authorization Notice No.: CN106437579B), the universal adjustment pipe nipple of gas drilling pipeline (Authorization Notice No.: CN206220883U), planetary gas drilling manifold one of steering mechanism (CN207377518U) or plurality of devices.

In addition, the quantity of adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism can be one or more.It can Mode drilling well drain pipe wire loop suction Zhu Pai mechanism can be set in pithead position and/or setting in pipeline turning downstream position (for example, pipeline right-angled bend downstream position), in order to act on realization negative-pressure ward at well head and/or pipeline turning position, It can be by resulting fluid (such as natural gas fuel gas or gas-solid mixing phase, gas-liquid-solid mixed phase etc. to pass through the swabbing action Heterogeneous fluid etc.) it is drawn in sediment outflow manifold, turning local losses caused by fluid can also be greatly reduced.

In addition, the quantity of drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism can be one or more.Drilling well Sediment outflow pipeline can be set with collapsible tubes line length adjustment mechanism and help in adjacent adjustable drilling well drain pipe wire loop suction It arranges between mechanism and hard tube spool body, to realize to adjacent adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism and hard tube Telescopic connection between spool body.In addition, drilling well sediment outflow pipeline also can be set with collapsible tubes line length adjustment mechanism Between two adjacent hard tube spool bodies, to realize to the telescopic connection between two adjacent hard tube spool bodies.

In the present example embodiment, adjustable drilling well drain pipe wire loop aspirates Zhu Pai mechanism can include: coaxial arrangement Basic flange, gas injection shell, core public affairs pipe and upper core pipe.

It can be used for connecting other components (for example, outlet end of well head, certain hard pipeline) on the left of basic flange, for example, It is connected to each other by flanged joint or clip.The outer wall on the right side of basic flange is provided with outer conical surface.For example, basic flange The outer wall of the right-hand end of tube body is in along the axial frustum of a cone curved surface with preset width.Basic flange also has radially The outer protruding portion of protrusion.For example, the outer protruding portion of basic flange can be flange shape in class.

Gas injection shell may include the left side with the first internal diameter, the right side with the second internal diameter and one or more Gas injection joint.Wherein, the first internal diameter is greater than the second internal diameter, for example, the first internal diameter can be larger about 1/4 to 1/5 than the second internal diameter. The left side of gas injection shell is fastenedly connected by anti-rotation component and the outer protruding portion of basic flange.Anti-rotation component can limit note Relative rotation between gas shell and basic flange.For example, anti-rotation component can be interior polygonal screw, however the present invention is unlimited In this.In addition, the structure that anti-rotation component here can also have convenient for artificially dismantling, thus needing replacing different size Spray operation easy to disassemble when flange.The inner peripheral wall on the right side of gas injection shell is provided with the first screw thread.For example, gas injection shell The inner peripheral wall of right-hand end may be provided with along axial first screw thread with preset width.Gas injection joint can be by the first internal diameter Corresponding space is connected to extraneous gas.For example, gas injection joint can be connected by the inner space of gas injection shell and injection channel It is logical, it can also be directly connected to injection channel, to spurt into main body pipeline extraneous gas by injection channel.Gas injection joint Mode can be connected through a screw thread to be arranged on gas injection shell, can also realize connection by casting always.Extraneous gas can pass through height Compression pump or booster fan provide.For example, gas injection joint can be through the left side that gas injection shell is arranged in.

The right side of core public affairs pipe can be inserted into the left side of upper core pipe, and pass through the inner peripheral wall of first seal and upper core pipe It is in close contact.First seal can be made of mutually matched sealing ring with seal groove, however, the invention is not limited thereto, The component that it can be realized effective sealing function also may be used.May be provided on the outer circle wall in the left side of core public affairs pipe can be with gas injection The second screw thread that the first of shell is threadedly engaged.First screw thread and the second screw thread can be fitted close, so that core public affairs pipe is outside Being moved to the left or moving right relative to gas injection shell is realized in pivoting under power effect, i.e., left and right in the axial direction is moved It is dynamic.Core public affairs pipe also has internal conical surface on the inner peripheral wall to be formed to the left.For example, the left-hand end of the tube body of core public affairs pipe The inner wall in portion is in along the axial frustum of a cone curved surface with preset width.The internal conical surface of core public affairs pipe can be outer with basic flange Circular conical surface cooperation, to form adjustable injection channel.Injection channel is connected to gas injection joint.For example, injection channel can be in The ring belt of dimension adjustable.For example, with the pivoting clockwise or counterclockwise under external force of core public affairs pipe, It will be moved to the left or right under the cooperation of one screw thread and the second screw thread, and then accordingly realize the adjusting to injection channel size, very When as the outer conical surface for completely attaching to basic flange when the internal conical surface of core public affairs pipe, realizes and close injection channel.

The right side of upper core pipe can be connect with other components (for example, input end of hard tube spool body).For example, upper core pipe Right side can pass through flanged joint or clamp connection with hard tube spool body thereafter.

In the present example embodiment, drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism may include coaxial arrangement Lower basic flange, lower base pipe, upper base pipe, level-one protruded tube, stop collar and second level protruded tube.

The left side of lower basis flange can be connect with other components；It may be provided with radially on the right side of lower basis flange The outer protruding portion of protrusion.The outer protruding portion of lower basis flange can have the shape of class flange.

The left side of lower base pipe can be fastenedly connected by anti-rotation component and the outer protruding portion of lower basic flange.Anti-rotation structure Part can limit the relative rotation between lower base pipe and lower basic flange.For example, anti-rotation component can be interior polygonal screw, However the invention is not limited thereto.It is may be provided on the inner peripheral surface on the right side of lower base pipe along the axial third with preset width Screw thread.

Upper base pipe may include the left side with third internal diameter and the right side with the 4th internal diameter.Wherein, in third Diameter is greater than the 4th internal diameter.May be provided on the outer circle wall of the left side of upper base pipe can match with the third screw thread of lower base pipe The 4th screw thread closed.By the cooperation of the 4th screw thread and third screw thread, upper base pipe and lower base pipe can be combined together. Lower base pipe is similar to main pipe, and upper base pipe is similar to public pipe.

Level-one protruded tube may include that the left side with first external diameter, the right side with second external diameter and setting exist Limiting projection on the inner peripheral surface of the right side of level-one protruded tube.Wherein, first external diameter is greater than third internal diameter, and outside second Diameter is less than third internal diameter.Left side and lower basic flange of the left-hand portion of level-one protruded tube in the left side of upper base pipe Outer protruding portion right side between；The right side position of level-one protruded tube in the right side of upper base pipe left side under Between the right side of the outer protruding portion of basic flange, and level-one protruded tube being capable of outer protruding portion in lower basic flange, lower basis It is in axial direction moved to the left or right in the space that pipe and upper base pipe are constituted.

Stop collar can be fixedly connected on the inner peripheral wall of the left side of level-one protruded tube.

Second level protruded tube may include the left side with third outer diameter, the middle protrusion with the 4th outer diameter and have the The right side of five outer diameters.The left side of second level protruded tube, middle protrusion and right side are in axial direction linked in sequence.Second level protruded tube Right side can be connect with other components.For example, pipe flange can be stretched out by second level by the right side of second level protruded tube It is connect with other components, so that connection type is more convenient and easily operated, however the invention is not limited thereto.Also, described For three outer diameters less than the 4th outer diameter, the 5th outer diameter is less than the 4th outer diameter and is equal to the 4th internal diameter.The left side of second level protruded tube Side can be under being inserted into the right side of basic flange after stop collar.For example, stop collar is set with second level telescoping tube The left side and be located between the right side of lower basic flange and the middle protrusion of second level protruded tube.The convexity of second level protruded tube Portion is located between the limiting projection and stop collar of level-one telescoping tube, so that second level protruded tube is capable of the institute of level-one telescoping tube It states and is moved to the left or right between limiting projection and the stop collar.

For the case where adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism is arranged in well head, adjustable drilling well The left side of the basic flange of drain pipe wire loop suction Zhu Pai mechanism is connect with well head, adjustable drilling well drain pipe wire loop The right side of the upper core pipe of shape suction Zhu Pai mechanism is connect with the arrival end of the first hard tube spool body, adjustable so as to pass through Well head is connected to by drilling well drain pipe wire loop suction Zhu Pai mechanism with the first hard tube spool body.

For adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism be arranged between two hard tube spool bodies (for example, Each other constitute pipeline right-angled bend the first and second hard tube spool bodies between) the case where for, adjustable drilling well drain pipe line The left side of the basic flange of annular suction Zhu Pai mechanism is connect with the outlet end of the first hard tube spool body, adjustable drilling well The right side of the upper core pipe of drain pipe wire loop suction Zhu Pai mechanism is connect with the arrival end of the second hard tube spool body, so as to Zhu Pai mechanism is aspirated by adjustable drilling well drain pipe wire loop to be connected to two hard tube spool bodies adjacent to each other.

The left side of the lower basic flange of collapsible tubes line length adjustment mechanism can be with the multiple hard tube spool body In two hard tube spool bodies adjacent to each other in previous hard tube spool body outlet end connection, collapsible tubes line length tune It the right side of the second level protruded tube of complete machine structure can be with the latter hard tube in two hard tube spool bodies adjacent to each other The arrival end of spool body connects, so as to which two adjacent hard tube spool bodies of front and back are carried out telescopic connection.

In addition, the left side and the adjustable drilling well drain pipe of the lower basic flange of collapsible tubes line length adjustment mechanism Wire loop aspirates the right side connection of the upper core pipe of Zhu Pai mechanism, the institute of the second level protruded tube of collapsible tubes line length adjustment mechanism It states right side and is correspondingly positioned at the arrival end for the hard tube spool body that adjustable drilling well drain pipe wire loop is aspirated after Zhu Pai mechanism Connection, the adjustable drilling well drain pipe wire loop so as to will successively be sequentially arranged along fluid flow direction aspirate Zhu Pai mechanism Telescopic connection is carried out with a hard tube spool body.

In addition, the right side of the second level protruded tube of collapsible tubes line length adjustment mechanism and adjustable drilling well drain pipe Wire loop aspirates the left side connection of the basic flange of Zhu Pai mechanism, the lower lex fundamentalis of collapsible tubes line length adjustment mechanism The blue left side and the hard tube spool body that is correspondingly positioned at before adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism Outlet end connection, is arranged so as to a hard tube spool body being successively sequentially arranged along fluid flow direction and adjustable drilling well Sandpipe wire loop aspirates Zhu Pai mechanism and carries out telescopic connection.

In another exemplary embodiment of the invention, suction Zhu Pai mechanism can also be in the knot of the above exemplary embodiments It further comprise upper core pipe flange on the basis of structure.Upper core pipe flange is convenient for the right side of upper core pipe and subsequent pipe fitting (for example, sediment outflow The downstream hard tube line of pipeline) connection.In addition, suction Zhu Pai mechanism may also include gas compressing apparatus.Gas compressing apparatus goes out Port can be connect with the gas injection joint of gas injection shell.

In another exemplary embodiment of the invention, suction Zhu Pai mechanism can also be in the knot of the above exemplary embodiments It further comprise upper core pipe shackle member on the basis of structure.Upper core pipe shackle member can by the right side of core public affairs pipe and upper core pipe clamping, And the axial displacement between upper core pipe and core public affairs pipe is limited, so as to more efficiently ensure upper core pipe and core public affairs pipe Sealing effect avoids causing core public affairs pipe and the sealing of upper core pipe insecure due to moving left and right because of core public affairs pipe.However, this hair It is bright without being limited thereto, for example, can be by the way that the structure of first seal or right side and the upper core pipe of core public affairs pipe be rationally arranged Coincidence system between left side and scale is overlapped to ensure the sealing effect of upper core pipe Yu core public affairs pipe, and then avoid because core is public Moving left and right for pipe and cause core public affairs pipe and the sealing of upper core pipe insecure.

In the suction Zhu Pai mechanism of another exemplary embodiment of the invention, the core public affairs pipe may also include setting The evagination circumferential part on the left of the second screw thread on the left side of core public affairs pipe and positioned at core public affairs pipe, to further increase gas injection First screw thread of shell and the second leakproofness being threadedly engaged of core public affairs pipe.Here, the evagination circumferential part of core public affairs pipe can be with For along the ring belt of core public affairs pipe projected radially outward, for example, can be flange shape in class.Further, it is also possible to further infuse Second seal is set between the right side for being provided with the first screw thread of gas shell and the outward flange of core public affairs pipe, thus further really Confidential letter effect.Second seal can be made of mutually matched sealing ring with seal groove, however, the invention is not limited thereto, Other components that can be realized effective sealing function also may be used.

In the suction Zhu Pai mechanism of another exemplary embodiment of the invention, the core public affairs pipe can also be wrapped further Including can be such that core public affairs pipe realizes around the revolution auxiliary section that central shaft rotates under external force.Here, revolution auxiliary section can It is arranged on the outer wall between the left side of upper core pipe and the right side of gas injection shell of core public affairs pipe.For example, revolution auxiliary section It can be one or more revolutions at the position on the outer wall for be arranged in core public affairs pipe between upper core pipe and gas injection shell Hole.Rotation operation more easily can be carried out to core public affairs pipe by setting revolution auxiliary section.However, the present invention is not limited to This, for example, rotation operation can be carried out to core public affairs pipe by fixture etc., or can also be fixed tight in upper core pipe and core public affairs pipe In leakproof fit situation, core public affairs pipe is rotated by upper core pipe.

Fig. 2 a is shown in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention Adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism is along axial the schematic diagram of the section structure；Fig. 2 b shows the I in Fig. 2 a Partial enlargement diagram.Fig. 3 shows an exemplary reality of the oil/gas drilling well head suction row's of helping manifold system of the invention Apply the appearance diagram of the adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism in example.

As shown in Fig. 2 a, Fig. 2 b and Fig. 3, in an exemplary embodiment of the present invention, adjustable drilling well drain pipe line Annular suction Zhu Pai mechanism A ' may include with lower component: basic flange A ' 1, gas injection joint A ' 2, upper core pipe A ' 3, upper core pipe flange A ' 4, upper core pipe snap ring A ' 5, core pipe (public affairs) A ' 6, gas injection shell A ' 7, soket head cap screw A ' 8 and upper core pipe snap ring tightening Bolt A ' 9 (being shown in Fig. 3).

It is connected through a screw thread, can also be connected between upper core pipe flange A ' 4 and upper core pipe A ' 3 by welding, also It can be by upper core pipe flange A ' 4 and upper core pipe A ' 3 workpiece as a whole.Upper core pipe flange A ' 4 is used to and downstream hard tube Line connection, can be flanged joint, is also possible to clamp connection.1 left side basic flange A ', connect with upstream hard tube line, can be with It is flanged joint, is also possible to clamp connection.The right side of basic flange A ' 1 passes through one group of soket head cap screw A ' 8 and gas injection shell A ' 7 is fastened.Gas injection shell A ' 7 is radial to open one group of hole (quantity is unlimited), and the mode being connected through a screw thread and gas injection joint A ' 2 connect It connects.6 external cylindrical surface (major diameter) of core pipe (public affairs) A ' is equipped with screw thread.Core pipe (public affairs) A ' 6 is connected by screw thread and gas injection shell A ' 7 It connects.Core pipe (public affairs) A ' 6 is rotated, under the action of screw thread constrains and cooperates, a part in the left side of core pipe (public affairs) A ' 6 can infused It is moved left and right in gas shell A ' 7.It is linked on the left of core pipe (public affairs) A ' 6 in gas injection shell A ' 7.Upper core pipe snap ring A ' 5 has one group (2 It is a), it is mutually tensed by upper core pipe snap ring tight fixed bolt A ' 9.Core pipe (public affairs) A ' 6 and upper core pipe A ' 3 pass through upper core pipe snap ring A ' 5 limits mutual axial displacement.The outer circle on 1 right side of internal conical surface and basis flange A ' in 6 left side core pipe (public affairs) A ' Annular gap, that is, mechanism injection channel between the conical surface.

When the adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism left and right ends A ' are fixed, (basis flange A ' 1 is left Side is connect with upstream hard tube line, and upper core pipe flange A ' 4 is connect with downstream hard tube line), only core pipe (public affairs) A ' 6 in all components For movable part.Core pipe (public affairs) A ' 6 is rotated, under the action of screw thread, core pipe (public affairs) A ' 6 can be moved left and right, moving distance It can be designed according to demand.When core pipe (public affairs) A ' 6, which is moved to the left, to be at the end, the female cone in 6 left side core pipe (public affairs) A ' The outer conical surface contact on 1 right side of face and basis flange A ', to close injection channel；When core pipe (public affairs) A ' 6 moves right, Injection channel can be gradually opened.Even if injection channel can also be by way of rotating core pipe (public affairs) A ' 6 in working condition It adjusts at any time, is not necessarily to the other components of dismounting and change, waited without stopping work.Fig. 2 a and Fig. 2 b show adjustable drilling well drain pipes Wire loop aspirates the opening state of the injection channel of Zhu Pai mechanism.Fig. 4 and Fig. 5 shows adjustable drilling well drain pipe wire loop and takes out The closed state of the injection channel of Xi Zhupai mechanism.

The quantity of gas injection joint A ' 2 on gas injection shell A ' 7 can be selected according to required tolerance size.When large-minded, note 2 reasonable quantity of gas connector A ' increases；When narrow-minded, extra gas injection joint A ' 2 can be blocked.High pressure gas passes through gas injection joint A ' 2 are injected into inside gas injection shell A ' 7, and pass through the outer of 1 right side of the internal conical surface in 6 left side core pipe (public affairs) A ' and basis flange A ' Annular gap (injection channel) high speed injection between circular conical surface is into main channel.The injection and Involving velocity of high-speed flow make base Plinth flange A ' 1 nearby generates negative pressure, to aspirate upstream fluid, while reducing the flow resistance of upstream fluid.Work as adjustable drilling When well drain pipe wire loop suction Zhu Pai mechanism A ' is mounted near well head, it can be used for aspirating the fluid (combustible gas near well head Body, drilling circulation fluid etc.) it avoids overflowing well head；When the adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism of A ' is mounted on directly It when the elbow downstream of angle, can be used for reducing local losses when fluid flows through the elbow bend, keep flowing more smooth.Fig. 6 is shown The appearance figure of one exemplary embodiment of adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism of the invention.

Adjustable drilling well drain pipe wire loop in the oil/gas drilling well head suction row's of helping manifold system of the invention is taken out For Xi Zhupai mechanism, it can have the following characteristics that

(1) can be used alone, can also with gas drilling manifold radial orientation angle stepless angle adjusting mechanism (Authorization Notice No.: CN106437579B), the universal adjustment pipe nipple of gas drilling pipeline (Authorization Notice No.: CN206220883U), planetary gas bore Well casing remittance is used cooperatively with one of steering mechanism (CN207377518U) or plurality of devices, the more perfect pipe of composition function Remittance system；

(2) different number, difference are carried out by aspirating Zhu Pai mechanism to adjustable drilling well drain pipe wire loop of the invention The integrated application of position is, it can be achieved that (in addition to comprising aforementioned fuel gas, be also discharged to ground comprising returning in drilling process to resulting fluid The heterogeneous fluid of table) effective suction, by resulting fluid (such as fuel gas: natural gas；Such as heterogeneous fluid: gas-solid, gas-liquid-solid Deng) be drawn in sediment outflow manifold, and local losses is greatly reduced in earth's surface drain pipe flow transmission process；

(3) Zhu Pai mechanism can be aspirated for adjustable drilling well drain pipe wire loop of the invention be independently accessed gas injection pipeline, So as to adjust the suction capactity of the mechanism by adjusting tolerance；

(4) adjustable drilling well drain pipe wire loop of the invention suction Zhu Pai mechanism can be improved goes out on a small quantity naturally on stratum Safety when spacious shaft mouth operations such as " make a trip, replace glue core " is carried out under the conditions of gas, eliminates pit shaft fuel gas (such as: day Right gas etc.) the security risk problem that may cause after well head is overflowed, gas bearing interval gas drilling operational security is improved, it is more sharp It is played in gas drilling speed-raising advantage.

In another exemplary embodiment of the invention, drilling well sediment outflow pipeline with collapsible tubes line length adjustment mechanism also It can further comprise that the first containment member, the second containment member and third are close on the structure basis of the above exemplary embodiments Seal component.Wherein, the first containment member may be provided at the interior of the outer circle wall of the left part of level-one protruded tube and lower base pipe Between circumferential wall, so that the inner peripheral wall for improving the outer circle wall and lower base pipe of the left part of level-one protruded tube is in contact with each other The leakproofness of connection.For example, the first containment member can be mutually matched sealing ring and seal groove.Second containment member can be set It sets in the outer circle wall (for example, part of the lower basic flange of second level protruded tube insertion) of the left part of second level protruded tube and lower base Between the inner peripheral wall of plinth flange, to improve the outer circle wall of the left part of second level protruded tube and the inner circle of lower basic flange Peripheral wall is in contact with each other the leakproofness of connection.For example, the second containment member can be mutually matched sealing ring and seal groove.Third Containment member may be provided at the inner peripheral wall of the outer circle wall of the middle protrusion of second level protruded tube and the right part of level-one protruded tube Between, to improve between the outer circle wall of the middle protrusion of second level protruded tube and the inner peripheral wall of the right part of level-one protruded tube Be in contact with each other the leakproofness of connection.For example, third containment member can be mutually matched sealing ring and seal groove.However, this Containment member used in inventing is without being limited thereto, and other components that can be realized effective sealing function also may be used.

In addition, collapsible tubes line length adjustment mechanism may also include liquid injection port.The liquid injection port can be by first, second and The space that three containment members surround is connect with the first hydraulic press.For example, liquid injection port can be pouring orifice.By by liquid injection port and liquid Equipment connection is pressed, operator can easily be pushed away to the right level-one protruded tube along axial direction by operation hydraulic device realization It moves and pushes second level protruded tube to the right, is i.e. moving right for level-one protruded tube of realization and moving right for second level protruded tube. However, the invention is not limited thereto, for example, moving right for level-one protruded tube directly can also be realized by applying external force to the right With moving right for second level protruded tube.

In another exemplary embodiment of the invention, the collapsible tubes line length adjustment mechanism can also have the One containment member, the second containment member, third containment member basis on, further comprise that the 4th containment member and the 5th are close Seal component.4th containment member may be provided at the outer circumference surface of the left part of base pipe and the right part of lower base pipe Between inner peripheral surface, so as to improve the leakproofness between upper base pipe and lower base pipe.For example, the 4th containment member can be with For mutually matched sealing ring and seal groove.5th containment member may be provided at the inner peripheral surface of the right part of base pipe with Between the outer circumference surface of the right side of second level protruded tube, so as to improve the sealing of upper base pipe Yu second level protruded tube contact position Property.For example, the 5th containment member can be mutually matched sealing ring and seal groove.

In addition, collapsible tubes line length adjustment mechanism may also include liquid return hole.Liquid return hole can be by first, third, the 4th The space surrounded with the 5th containment member is connect with the second hydraulic press.For example, liquid return hole can be oil return opening.By by liquid return hole Connect with hydraulic device, operator can easily by operation hydraulic device realize by level-one protruded tube along axial direction to Left promotion and second level protruded tube pushed to the left, i.e. realization level-one protruded tube is moved to the left with second level protruded tube to moving to left It is dynamic.However, the invention is not limited thereto, for example, level-one protruded tube directly can also be realized to the left by applying external force to the left It is mobile and second level protruded tube to be moved to the left.

Drilling well sediment outflow pipeline of the invention can be carried out different number, different positions with collapsible tubes line length adjustment mechanism The combined application set.In manifold installation process, when there is error in the axially mounted position of pipeline, it may be convenient to adjust connection method Blue (or other connection types, such as box cupling etc.) position guarantees smoothly installation.

Fig. 7 a is shown in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention The structural schematic diagram of drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism；Fig. 7 b is shown corresponding to the H-H in Fig. 7 a The cross-sectional view in section.Fig. 8 shows an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention In drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism appearance diagram.Fig. 9 shows oil gas of the invention and bores Well well head aspirates the drilling well sediment outflow pipeline collapsible tubes line length adjustment in an exemplary embodiment of the row's of helping manifold system The level-one of mechanism stretches out the schematic diagram of state.Figure 10 shows the one of the oil/gas drilling well head suction row's of helping manifold system of the invention The second level of drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism in a exemplary embodiment stretches out the schematic diagram of state. Figure 11 shows the drilling well sediment outflow in an exemplary embodiment of the oil/gas drilling well head suction row's of helping manifold system of the invention The appearance figure of pipeline collapsible tubes line length adjustment mechanism.

As shown in figs. 7 a and 7b, in an exemplary embodiment of the present invention, drilling well sediment outflow pipeline collapsible tubes Line length adjustment mechanism B can include: lower basis pipe flange B1, level-one protruded tube B2, lower base pipe B3, level-one protruded tube stop collar B4, upper base pipe B5, second level protruded tube B6, second level stretch out pipe flange B7, oil return opening B8, soket head cap screw B9 and pouring orifice B10。

It is upstream entrance on the left of lower basis pipe flange B1, is connect by flange (or the modes such as clip) with upstream line. On the left of second level protruded tube B6 in the lower basic pipe flange B1 of insertion, right side is stretched out pipe flange B7 with second level by screw thread and is connect.Second level Stretching out on the right side of pipe flange B7 is lower exit, is connect with downstream line.Second level, which stretches out pipe flange B7, can be flanged joint, can also To be other connection types such as clip.Lower basis pipe flange B1 right end is fastened on one by soket head cap screw B9 and lower base pipe B3 It rises.

It is to be threadedly coupled between upper base pipe B5 and lower base pipe B3.Level-one protruded tube stop collar B4 and level-one protruded tube B2 Between for be threadedly coupled.Radially inwardly projecting limiting projection is provided on the right side of level-one protruded tube B2.Second level is stretched Middle protrusion outwardly in a radial direction is provided in the middle part of outlet pipe B6, protrusion can be such that second level protruded tube stretches in level-one in this It is moved left and right between outlet pipe stop collar B4 and the limiting projection of level-one protruded tube B2.For example, the tube body of second level protruded tube can make It is process with Φ 244.5mm casing, casing material and mechanical performance meet API standard, have very high internal pressure strength, energy Enough guarantee the safety of gas drilling operation.Pouring orifice B10 is installed on the right side of lower basis pipe flange B1, for injecting hydraulic oil.Under The outer side opening of base pipe B3 is simultaneously connect by screw thread with oil return opening B8.

Instantly when basis pipe flange B1 is connect with upstream line, in addition to level-one protruded tube B2, second level protruded tube B6, other portions Part has been fixed.Level-one protruded tube B2 then can be in the space that basic flange and upper base pipe B5 are constituted at B1 along axial left and right It is mobile, realize that level-one is stretched out, state can be as shown in Figure 9.Second level protruded tube B6 can be in the limiting projection of level-one protruded tube B2 It is axially moveable in the left and right end face of both the level-one protruded tube stop collar B4 inner groove constituted, realizes that second level is stretched out, shape State can be as shown in Figure 10.Multi-stage expansion can be designed according to demand, be not limited solely to second level and stretched, and flexible total length It can design according to demand.For example, the flexible scale of level-one can be 12~18mm, the flexible scale of second level can for 40~ 50mm.As shown in Figure 7a, seal groove can be set between corresponding component, implements to seal with sealing ring.

The oil return opening B8 on pouring orifice B10 and lower base pipe B3 on lower basis pipe flange B1 can connect with handlance respectively It connects.When needing to extend, the handlance indentation hydraulic oil connecting with pouring orifice B10 pushes level-one protruded tube B2 and second level to stretch out Pipe B6 stretches out, and the handlance connecting at this time with oil return opening B8 is in pressure release state.When needing to shrink, it is connect with oil return opening B8 Handlance is pressed into hydraulic oil, pushes level-one protruded tube B2 and second level protruded tube B6 to shrink, the hand pressure connecting at this time with pouring orifice B10 Pump is in pressure release state.It in actual application, can not also be by the way of hydraulic oil when not having handlance condition Driving.Oil return opening B8 and pouring orifice B10 is opened, makes internal passage and extraneous connection, can elongate or shrink by way of manpower Second level protruded tube B6.

Fig. 8 and Figure 11 shows the drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism in the present exemplary embodiment Appearance diagram.

For the telescopic pipeline of drilling well sediment outflow pipeline in the oil/gas drilling well head suction row's of helping manifold system of the invention May include following characteristics for length adjusting mechanism:

(1) it can be used cooperatively, (can also be awarded with gas drilling manifold radial orientation angle stepless angle adjusting mechanism with common pipeline Weigh notification number: CN106437579B), the universal adjustment pipe nipple of gas drilling pipeline (Authorization Notice No.: CN206220883U), planet Formula gas drilling manifold is used cooperatively with one of steering mechanism (CN207377518U) or plurality of devices, and composition function is more Perfect manifold system；

(2) by carrying out the combined application of different number, different location, Neng Goushi to collapsible tubes line length adjustment mechanism A variety of situations for the installation of drilling well sediment outflow manifold；It, can when there is error in the axially mounted position of pipeline in manifold installation process Easily to adjust connecting flange (or other connection types, such as box cupling etc.) position, guarantee smoothly installation；

(3) hydraulic way that handlance can be used, the mode that manpower dragging can also be used are realized elongation and shortening, can be operated Property is strong, convenient and reliable；

(4) extended length can be adjusted according to demand, very flexibly, fully meet the docking of drilling well sediment outflow scene pipeline Required distance；

(5) drilling well sediment outflow pipeline is mainly used in gas drilling sediment outflow manifold with collapsible tubes line length adjustment mechanism, but It can be used for the connection of gas supply manifold, it might even be possible to be extended in the middle of the hard manifold system in other fields.

In conclusion beneficial effects of the present invention include one or more in the following contents:

(1) comprising axial tiltedly spray suction Zhu Pai mechanism and telescopic shaft to the big nucleus module of length adjusting mechanism two, simultaneously Can also be configured existing gas drilling manifold radial orientation angle stepless angle adjusting mechanism (Authorization Notice No.: CN106437579B), The universal adjustment pipe nipple of gas drilling pipeline (Authorization Notice No.: CN206220883U), planetary gas drilling manifold turning machine The more perfect manifold system of structure (CN207377518U) composition function.

(2) by carrying out different order, no to length adjusting mechanism to axial tiltedly spray suction Zhu Pai mechanism and telescopic shaft Same quantity, the combined application of different location are, it can be achieved that (be discharged to earth's surface for example, returning in fuel gas, drilling process to resulting fluid Heterogeneous fluid) effective suction, by resulting fluid (such as fuel gas: natural gas；Such as heterogeneous fluid: gas-solid, gas-liquid-solid) It is drawn in sediment outflow manifold, and local losses is greatly reduced in earth's surface drain pipe flow transmission process, while being installed in manifold In the process, when having error to axially mounted position, it may be convenient to adjust connecting flange (or other connection types, such as box cupling Deng) position, guarantee smoothly installation.

(3) it can be independently accessed gas injection pipeline for axial tiltedly spray suction Zhu Pai mechanism, adjusts the mechanism by adjusting tolerance Suction capactity.

(4) system can be improved carries out spacious well heads such as " make a trip, replace glue core " under the conditions of stratum goes out a small amount of natural gas Safety when operation eliminates the possible security risk caused after pit shaft fuel gas (such as: natural gas) overflows well head and asks Topic improves gas bearing interval gas drilling operational security, and more conducively gas drilling speed-raising advantage plays.

Although having been combined exemplary embodiment above and attached drawing describing the present invention, those of ordinary skill in the art It will be apparent to the skilled artisan that can be carry out various modifications to above-described embodiment in the case where not departing from spirit and scope of the claims.

Claims (18)

1. a kind of oil/gas drilling well head aspirates the row's of helping manifold system, the oil/gas drilling well head suction row's of helping manifold system includes more A hard tube spool body, the multiple hard tube spool body include hard along the first hard tube spool body of fluid flow direction setting and second Pipeline tube body, which is characterized in that the oil/gas drilling well head suction row's of helping manifold system further includes adjustable drilling well drain pipe line Annular suction Zhu Pai mechanism and drilling well sediment outflow pipeline collapsible tubes line length adjustment mechanism, wherein

The adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism include: along first axis coaxial arrangement basic flange, Gas injection shell, core public affairs pipe and upper core pipe, wherein

The outer protruding portion that basic flange has left side, is provided with the right side of outer conical surface and radially protrudes；

Gas injection shell includes the left side with the first internal diameter, the right side with the second internal diameter and one or more note Gas connector, wherein first internal diameter is greater than second internal diameter, the left side of the gas injection shell by anti-rotation component with The outer protruding portion of the basis flange is fastenedly connected, and the inner periphery of the right side of the gas injection shell is provided with the first screw thread, institute Stating gas injection joint can be connected in space corresponding to first internal diameter with extraneous gas；

Core public affairs pipe includes being inserted into the left side of core pipe and being in close contact by the inner peripheral wall of first seal and upper core pipe Right side, with the second screw thread left side, and be formed in core public affairs pipe the left side inner periphery on female cone Face, wherein second screw thread is arranged on the outer wall of core public affairs pipe and can be threadedly engaged with described first, in corresponding to Core public affairs pipe being moved to the left or right relative to gas injection shell is realized in the pivoting of core public affairs pipe, and the internal conical surface can be with The outer conical surface of the right side of the basis flange cooperates to form the adjustable injection being connected to the gas injection joint Channel, so that corresponding to the described of core public affairs pipe is moved to the left or right closing or opening for corresponding realization injection channel；

The drilling well sediment outflow pipeline includes the lower lex fundamentalis being axially coaxially disposed along second with collapsible tubes line length adjustment mechanism Blue, lower base pipe, upper base pipe, level-one protruded tube, stop collar and second level protruded tube, wherein

The lower basic flange has left side, and is provided with the right side of the outer protruding portion radially protruded；

The lower base pipe has to be fastenedly connected by anti-rotation component and the outer protruding portion of the right side of lower basic flange Left side and inner peripheral surface on be provided with the right side of third screw thread；

The upper base pipe includes the left side with third internal diameter and the right side with the 4th internal diameter, wherein third internal diameter Greater than the 4th internal diameter, being provided on the outer circle wall of the left side of upper base pipe can be with the right side of lower base pipe The 4th screw thread that is threadedly engaged of third；

The level-one protruded tube includes the left side with first external diameter, the right side with second external diameter and is arranged one Limiting projection on the inner peripheral surface of the right side of grade protruded tube, wherein first external diameter is greater than the third internal diameter, and Second external diameter is less than the third internal diameter, the left-hand portion of level-one protruded tube in the left side of upper base pipe left side with Between the right side of the outer protruding portion of lower basis flange, the right side position of level-one protruded tube is in the right side of upper base pipe Between the right side of the outer protruding portion of left side and lower basic flange, and level-one protruded tube can be in the outer protrusion of lower basic flange It is moved to the left or right in the space that portion, lower base pipe and upper base pipe are constituted；

The stop collar is fixedly connected on the inner peripheral wall of the left side of level-one protruded tube；

The second level protruded tube include be linked in sequence the left side with third outer diameter, the middle protrusion with the 4th outer diameter, with And the right side with the 5th outer diameter, wherein for the third outer diameter less than the 4th outer diameter, the 5th outer diameter is less than the 4th outer diameter and waits In the 4th internal diameter, the left side of second level protruded tube passes through the right side of the lower basic flange of insertion after the stop collar In portion, the convexity portion is located between the limiting projection and the stop collar of level-one telescoping tube, so that second level protruded tube It can be moved to the left or right between the limiting projection and the stop collar of level-one telescoping tube；

The left side of the basic flange of adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism is connect with well head, adjustable The right side of the upper core pipe of drilling well drain pipe wire loop suction Zhu Pai mechanism is connect with the arrival end of the first hard tube spool body；Or Person, the left side of the basic flange of adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism and the first hard tube spool body Outlet end connection, the right side of the upper core pipe of adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism and the second hard tube spool body Arrival end connection；

The left side of the lower basic flange of collapsible tubes line length adjustment mechanism and that in the multiple hard tube spool body The outlet end of previous hard tube spool body in this two adjacent hard tube spool body connects, collapsible tubes line length adjustment mechanism Second level protruded tube the right side and the latter hard tube spool body in two hard tube spool bodies adjacent to each other Arrival end connection；Alternatively, the left side of the lower basic flange of collapsible tubes line length adjustment mechanism and adjustable drilling well are arranged Sandpipe wire loop aspirates the right side connection of the upper core pipe of Zhu Pai mechanism, the second level protruded tube of collapsible tubes line length adjustment mechanism The right side and the hard tube spool body that is correspondingly positioned at after adjustable drilling well drain pipe wire loop suction Zhu Pai mechanism enter The connection of mouth end；Alternatively, the right side of the second level protruded tube of collapsible tubes line length adjustment mechanism and adjustable drilling well sediment outflow Pipeline annular aspirates the left side connection of the basic flange of Zhu Pai mechanism, the lower basis of collapsible tubes line length adjustment mechanism The left side of flange and the hard tube spool body being correspondingly positioned at before adjustable drilling well drain pipe wire loop aspirates Zhu Pai mechanism Outlet end connection.

2. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that the adjustable drilling The quantity that well drain pipe wire loop aspirates Zhu Pai mechanism is one or more.

3. oil/gas drilling well head according to claim 2 aspirates the row's of helping manifold system, which is characterized in that the adjustable drilling Well drain pipe wire loop aspirates the setting of Zhu Pai mechanism in pithead position and/or pipeline turning downstream position.

4. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that the suction row of helping Mechanism further includes upper core pipe flange, and the upper core pipe flange can be by the right side of upper core pipe and the first hard tube spool body Arrival end connection, or connect with the arrival end of the second hard tube spool body.

5. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that the suction row of helping Mechanism further includes upper core pipe shackle member, and the upper core pipe shackle member by the right side of core public affairs pipe and upper core pipe clamping and can limit Axial displacement in system between core pipe and core public affairs pipe.

6. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that the core public affairs pipe Further include be arranged on the left side of core public affairs pipe and be located on the left of second screw thread radially protrude it is outer Dome circumference, to improve first screw thread and the described second leakproofness being threadedly engaged.

7. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that the core public affairs pipe It further include the revolution auxiliary section that core public affairs pipe can be made to realize the pivoting under external force.

8. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that the suction row of helping Mechanism further includes gas compressing apparatus, and the gas outlet of the gas compressing apparatus is connect with the gas injection joint of gas injection shell.

9. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that the basis flange Right side be fastenedly connected by dismountable anti-rotation component with gas injection shell.

10. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that the drilling well row Sandpipe line is one or more with the quantity of collapsible tubes line length adjustment mechanism.

11. oil/gas drilling well head according to claim 11 aspirates the row's of helping manifold system, which is characterized in that the drilling well row Sandpipe line is arranged in adjacent adjustable drilling well drain pipe wire loop with collapsible tubes line length adjustment mechanism and aspirates Zhu Pai mechanism Between hard tube spool body, and/or it is arranged between two adjacent hard tube spool bodies.

12. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that described telescopic Length of pipeline adjustment mechanism further includes that second level stretches out pipe flange, and the second level stretches out pipe flange can will be described in second level protruded tube Right side is connect with the arrival end of the second hard tube spool body, or is connect with the arrival end of the latter hard tube spool body.

13. oil/gas drilling well head according to claim 1 aspirates the row's of helping manifold system, which is characterized in that described telescopic Length of pipeline adjustment mechanism further includes the first containment member, the second containment member and third containment member, wherein described first is close Envelope component is arranged between the outer circle wall of left side of level-one protruded tube and the inner peripheral wall of lower base pipe, second sealing Component is arranged between the outer circle wall of the left side of second level protruded tube and the inner peripheral wall of lower basic flange, the third sealing Component is arranged between the outer circle wall of the middle protrusion of second level protruded tube and the inner peripheral wall of the right side of level-one protruded tube.

14. oil/gas drilling well head according to claim 13 aspirates the row's of helping manifold system, which is characterized in that described telescopic Length of pipeline adjustment mechanism further includes liquid injection port, the sky that the liquid injection port can surround the first, second, and third containment member Between connect with the first hydraulic press.

15. oil/gas drilling well head according to claim 13 aspirates the row's of helping manifold system, which is characterized in that described first is close Sealing one or more of component, the second containment member and third containment member includes mutually matched sealing ring and seal groove.

16. oil/gas drilling well head according to claim 13 aspirates the row's of helping manifold system, which is characterized in that described telescopic Length of pipeline adjustment mechanism further includes the 4th containment member and the 5th containment member, wherein the 4th containment member setting exists Between the left side of upper base pipe and the right side of lower base pipe, the right side of upper base pipe is arranged in the 5th containment member Between the right side of second level protruded tube.

17. oil/gas drilling well head according to claim 16 aspirates the row's of helping manifold system, which is characterized in that described telescopic Length of pipeline adjustment mechanism further includes liquid return hole, and the liquid return hole can surround the containment member of first, third, the 4th and the 5th Space connect with the second hydraulic press.

18. oil/gas drilling well head according to claim 16 aspirates the row's of helping manifold system, which is characterized in that the described 4th is close It seals component and/or the 5th containment member includes mutually matched sealing ring and seal groove.