CN217897771U - Well control pressure test joint for well drilling - Google Patents

Abstract

The utility model discloses a well drilling well accuse pressure testing connects, connect including left high-pressure union and right high-pressure union, right side activity that right side high-pressure union connects runs through the right side inner wall that left high-pressure union connects and an organic whole is provided with the joint portion, and right side high-pressure union connects outside an organic whole is provided with outer border, ring groove has been seted up in the outside that right side high-pressure union connects. The utility model discloses a clamp and connect the simple pulling of cooperation and realize the mode of tearing open group, it tears the group open to right high-pressure union joint to be convenient and quick, the efficiency of tearing open group is improved, and saved and set up the phenomenon that the screw thread carries out threaded connection and separation in the right high-pressure union joint outside, thereby can prevent to break up the unable phenomenon of silk inclined wire because of the continuous separation of screw thread is unanimous to appear accidental unaligned the screw thread that causes again, improve long-term use safety and stability, and can adjust the connection leakproofness that right high-pressure union connects and left high-pressure union connects, avoid influencing follow-up test phenomenon because of leaking gas, and the user demands are satisfied.

Description

Well control pressure test joint for well drilling

Technical Field

The utility model relates to a well control pressure testing connects technical field, specifically is a well control pressure testing connects of well drilling.

Background

The pressure test of well control equipment in a drilling site is an important work for well control of drilling for a long time, the pressure test requirement on the well control equipment is high due to the high pressure of the pressure test, the pressure test joint is a joint for connecting the well control equipment and a testing device, the existing well control pressure test joint consists of a left high-pressure union joint and a right high-pressure union joint, and the well control equipment is always unchanged in use, so that the left high-pressure union joint connected with a pipeline of the well control equipment does not need to be replaced; the testing devices selected according to different well drills are different, and the different testing devices need to be matched with the right high-pressure union joints with different specifications, so that the right high-pressure union joint needs to be replaced according to different testing devices;

for the replacement technology of a right high-pressure union joint in a well control pressure test joint for drilling, as in the prior art, the authorized notice number CN210714501U discloses a well control pressure test joint for drilling, which comprises a left high-pressure union joint and a right high-pressure union joint, wherein one side of the right high-pressure union joint is hermetically welded with a connecting round head, a rectangular groove is formed in the inner wall of one side, close to the right high-pressure union joint, of the left high-pressure union joint, a through hole is formed in the inner wall of one side, far away from an opening, of the rectangular groove, one end of the connecting round head penetrates through the through hole and extends into the rectangular groove, a rectangular block positioned in the rectangular groove is fixedly sleeved on the connecting round head, an elastic sealing ring is embedded in the inner wall of one side, far away from the opening, of the rectangular groove, the through hole is positioned on the inner side of the elastic sealing ring, a disc is rotatably installed on one side, close to the right high-pressure union joint, and a threaded pipe of the disc is arranged on the connecting round head; it is convenient for take off right high pressure union and connects the button head and change, and is convenient for adjust the extrusion degree of rectangle piece to elastic seal circle according to actual need, reaches the adjustment degree of sealing to avoid the inaccurate phenomenon of test because of leaking gas and causing.

Above-mentioned patent passes through the mode that the disc screwed pipe connects the connection button head outside on right high-pressure union connects, can utilize threaded connection's mode to connect the separation through rotatory and right high-pressure union to and adjust the leakproofness, connect the split to right high-pressure union to change with this, but it still has some not enoughly:

the high-pressure union is connected with the right high-pressure union joint through the external thread, and when the high-pressure union is disassembled and assembled, the disassembly and the removal can be realized only by rotating a plurality of circles until the thread occlusion positions are completely separated; the separation of the internal thread and the external thread is realized, the phenomenon that the threads are broken and inclined due to misalignment during installation are easy to cause failure, and the safety and the stability are poor after long-term use; the use requirement cannot be met, and in view of the above, a well control pressure test connector for drilling is provided, which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a well drilling well accuse pressure testing connects to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a well control pressure test joint for drilling comprises a left high-pressure union joint and a right high-pressure union joint, wherein the left high-pressure union joint is used for being connected with well control equipment, the right high-pressure union joint is used for being connected with a testing device of the well control equipment, the right side of the right high-pressure union joint movably penetrates through the inner wall of the right side of the left high-pressure union joint and is integrally provided with a joint part, the outer side of the right high-pressure union joint is integrally provided with an outer edge, and the outer side of the right high-pressure union joint is provided with an annular clamping groove;

a sealing ring which is movably contacted with the right side of the outer edge is embedded on the inner wall of the right side of the left high-pressure union joint;

the right side of the left high-pressure union joint is fixedly connected with a thread driving mechanism, and rectangular holes are formed in the inner wall of the top and the inner wall of the bottom of the thread driving mechanism;

the right side of the elastic clamping mechanism is nested with an anti-abrasion ball which is in rolling contact with the inner wall of the right side of the annular clamping groove, the two elastic clamping mechanisms are fixedly connected with a clip handle at one ends far away from each other, the thread driving mechanism is used for driving the anti-abrasion ball to extrude the inner wall of the right side of the annular clamping groove through the elastic clamping mechanisms, the right high-pressure union joint is driven to move right to enable the outer edge of the right high-pressure union joint to be tightly pressed and sealed with the sealing ring, and the elastic clamping mechanism is used for clamping and limiting the right high-pressure union joint and supplying the right high-pressure union joint to be quickly disassembled and assembled.

Preferably, the screw thread actuating mechanism includes internal thread pipe and external screw thread pipe, the left end of external screw thread pipe and the right side fixed connection that left high pressure union connects, the outside at external screw thread pipe is established to internal thread pipe screwed pipe, two rectangular holes are seted up respectively on the top inner wall and the bottom inner wall of internal thread pipe, the equal fixedly connected with U-shaped handle in one side that two internal thread pipes kept away from each other, it is located the U-shaped handle that corresponds to return the shape handle, the internal thread pipe of setting, external screw thread pipe and the cooperation of U-shaped handle can control lateral displacement to internal screw thread pipe.

Preferably, the elastic clamping mechanism comprises box-shaped clamping rods, guide sleeves and springs, the box-shaped clamping rods are arranged with openings on the left sides, the box-shaped clamping rods are slidably sleeved in the corresponding rectangular holes, the ends, close to each other, of the two box-shaped clamping rods extend into the annular clamping grooves respectively, the anti-abrasion balls are movably embedded on the right sides of the corresponding box-shaped clamping rods, and the repulsive ends of the two box-shaped clamping rods are fixedly connected with the adjacent sides of the two square handles respectively;

guide bar fixed connection is between the top inner wall and the bottom inner wall of the box-shaped kelly that corresponds, the uide bushing slip cap is established on the guide bar that corresponds, the left side of uide bushing and the left side inner wall fixed connection in the rectangular hole that corresponds, spring fixed connection is close to between the one end inner wall that right high pressure union connects at uide bushing and the box-shaped kelly that correspond, spring movable sleeve establishes on the guide bar that corresponds, the box-shaped kelly that sets up, the guide bar, uide bushing and spring cooperation, can be fast to right high pressure union joint quick assembly disassembly, and can drive outer edgewise and sealing washer compress tightly when the internal thread pipe moves to the right side sealed.

Preferably, an exit hole is formed in the inner wall of the right side of the left high-pressure union joint, and the right high-pressure union joint is located in the exit hole and does not contact with the inner wall of the exit hole.

Preferably, the right high pressure union joint is located within the externally threaded pipe and is in movable contact with the inside of the externally threaded pipe.

Preferably, the outer rim has an outer diameter greater than the outer diameter of the seal ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the pressure test connector for well control of the drilling well, the clip of the right high-pressure union connector can be quickly released by simply pulling the clip handle outwards through the cooperation of the clip handle, the elastic clamping mechanism and the extrusion ball and the annular clamping groove, the clamping limitation of the right high-pressure union connector can be quickly realized by utilizing the elasticity of the spring when the pulling force is released, the right high-pressure union connector can be conveniently and quickly disassembled by simply pulling the clip connection and the cooperation, the disassembling and assembling efficiency is improved, the phenomenon that threads are arranged on the outer side of the right high-pressure union connector for threaded connection and separation is omitted, and the phenomenon that threads are not aligned due to accidental re-engagement caused by continuous separation of the threads can be prevented from being incapable of using inclined threads which break the inclined threads;

2. this well drilling well control pressure testing joint, the screw thread actuating mechanism, the elasticity that set up clamp the mechanism and extrude the ball cooperation, can connect the left and right displacement adjustment to right high pressure union to this can drive outer edgewise when right high pressure union connects the right side and compress the sealing washer, realize through the effect to sealing washer compression adjustment sealing degree.

The utility model discloses a clamp and connect the simple pulling of cooperation and realize the mode of tearing open the group, it tears the group open to right high pressure union joint to be convenient and quick, the efficiency of tearing open the group is improved, and saved and set up the phenomenon that the screw thread carries out threaded connection and separation in the right high pressure union joint outside, thereby can prevent to break up the unable phenomenon of silk inclined wire because of the continuous separation of screw thread the interlock appears unexpected unalignment and causes, improve long-term safety and stability in utilization, and can adjust the connection leakproofness that right high pressure union connects and left high pressure union connects, avoid influencing follow-up test phenomenon because of leaking gas, and the user demand is satisfied.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is an enlarged view of part A of FIG. 3;

fig. 5 is a schematic view of the three-dimensional structure of the right high-pressure union joint, the outer edge and the joint part connecting piece of the present invention.

In the figure: 1. a left high pressure union joint; 101. a seal ring; 102. an externally threaded tube; 103. an internally threaded tube; 104. a U-shaped handle; 105. a box-shaped clamping rod; 106. a guide bar; 107. a guide sleeve; 108. a spring; 109. the ball is prevented from being worn; 110. a rectangular hole; 111. a clip-shaped handle; 2. a right high pressure union joint; 201. a joint portion; 202. an outer edge; 203. and an annular clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the pressure test connector for well control of drilling proposed in this embodiment includes a left high-pressure union connector 1 and a right high-pressure union connector 2, the left high-pressure union connector 1 is configured to be connected with well control equipment, the right high-pressure union connector 2 is configured to be connected with a testing device of the well control equipment, a right side of the right high-pressure union connector 2 movably penetrates through a right inner wall of the left high-pressure union connector 1 and is integrally provided with a connector portion 201, a through hole is formed in a right inner wall of the left high-pressure union connector 1, the right high-pressure union connector 2 is located in the through hole and is not in contact with an inner wall of the through hole, so that the right high-pressure union connector 2 can penetrate from left to right, an outer edge 202 is integrally formed on an outer side of the right high-pressure union connector 2, and an annular clamping groove 203 is formed on an outer side of the right high-pressure union connector 2;

a sealing ring 101 which is movably contacted with the right side of an outer edge 202 is embedded on the inner wall of the right side of the left high-pressure union joint 1, the outer diameter of the outer edge 202 is larger than the outer diameter of the sealing ring, wherein an annular embedding groove which is fixedly bonded with the outer side of the sealing ring 101 is formed in the inner wall of the right side of the left high-pressure union joint 1, the sealing ring 101 is embedded and fixed on the inner wall of the right side of the left high-pressure union joint 1 through the annular embedding groove, and the arranged sealing ring 101 is used for sealing between the outer edge 202 and the inner wall of the right side of the left high-pressure union joint 1 so as to prevent the leakage phenomenon between the outer edge 202 and the inner wall of the right side of the left high-pressure union joint 1;

the right side of the left high-pressure union joint 1 is fixedly connected with a thread driving mechanism, and rectangular holes 110 are formed in the inner wall of the top and the inner wall of the bottom of the thread driving mechanism;

install elasticity in the rectangular hole 110 and clamp the mechanism, elasticity clamps the right side nestification of mechanism have with ring groove 203 right side inner wall rolling contact's abrasionproof ball 109, two elasticity clamp the equal fixedly connected with of one end that the mechanism kept away from each other and return shape handle 111, screw thread actuating mechanism is used for clamping mechanism drive abrasionproof ball 109 through elasticity and extrudees ring groove 203's right side inner wall to and realize driving right high pressure union 2 and move right its outer edgewise 202 of messenger and sealing washer 101 compress tightly sealed, elasticity clamps the mechanism and is used for clamping the restriction and supplying its quick assembly disassembly to right high pressure union 2.

Wherein thread drive mechanism includes internal thread pipe 103 and external screw thread pipe 102, the left end of external screw thread pipe 102 and the right side fixed connection of left high pressure union joint 1, the external screw thread pipe 103 screwed pipe is established in the outside of external screw thread pipe 102, two rectangular holes 110 are seted up respectively on the top inner wall and the bottom inner wall of internal screw thread pipe 103, the equal fixedly connected with U-shaped handle 104 in one side that two internal screw thread pipes 103 kept away from each other, shape handle 111 is located corresponding U-shaped handle 104, right high pressure union joint 2 is located external screw thread pipe 102 and with the inboard movable contact of external screw thread pipe 102, the internal screw thread pipe 103 that sets up, external screw thread pipe 102 and the cooperation of U-shaped handle 104, can rotary drive adjustment internal screw thread pipe 103 horizontal displacement about.

The elastic clamping mechanism comprises box-shaped clamping rods 105, guide rods 106, guide sleeves 107 and springs 108, the left sides of the box-shaped clamping rods 105 are provided with openings, the box-shaped clamping rods 105 are slidably sleeved in corresponding rectangular holes 110, the ends, close to each other, of the two box-shaped clamping rods 105 extend into the annular clamping grooves 203 respectively, the anti-abrasion balls 109 are movably embedded on the right sides of the corresponding box-shaped clamping rods 105, and the repellent ends of the two box-shaped clamping rods 105 are fixedly connected with one sides, close to the two handles 111, of the two square-shaped handles respectively; the guide rod 106 is fixedly connected between the top inner wall and the bottom inner wall of the corresponding box-shaped clamping rod 105, the guide sleeve 107 is sleeved on the corresponding guide rod 106 in a sliding mode, the left side of the guide sleeve 107 is fixedly connected with the left side inner wall of the corresponding rectangular hole 110, the spring 108 is fixedly connected between the corresponding guide sleeve 107 and the inner wall of one end, close to the right high-pressure union joint 2, of the box-shaped clamping rod 105, the spring 108 is movably sleeved on the corresponding guide rod 106, the arranged box-shaped clamping rod 105, the guide rod 106, the guide sleeve 107 and the spring 108 are matched, the anti-abrasion ball 109 can be driven to move left and right when the inner threaded pipe 103 moves left and right, the right high-pressure union joint 2 is extruded to move, the outer edge 202 is driven to be pressed and sealed with the sealing ring 101, and the anti-abrasion ball 109 can be driven to be separated from the annular clamping groove 203 when the return handle 111 is directly pulled outwards, so that the right high-pressure union joint 2 can be rapidly disassembled and assembled; the utility model discloses a clamp and connect the simple pulling of cooperation and realize the mode of tearing open group, it is convenient and fast to right high pressure union joint 2 tear open group, improve the efficiency of tearing open group, and saved and set up the phenomenon that the screw thread carries out threaded connection and separation in the 2 outsides of right high pressure union joint, thereby can prevent to appear unexpected unaligned screw thread that causes because of the continuous separation of screw thread and break up the unable phenomenon of silk inclined wire, improve long-term use safety and stability, and can adjust the right high pressure union joint 2 and the high pressure union of a left side and connect 1 connection leakproofness, avoid influencing follow-up test phenomenon because of leaking gas, and the user demands are satisfied.

The using method of the embodiment comprises the following steps: when the right high-pressure union joint 2 is replaced according to different well control equipment testing devices, the two paper-clip handles 111 are directly pulled towards the direction away from each other, the two paper-clip handles 111 drive the two box-shaped clamping rods 105 to move towards the direction away from each other, the box-shaped clamping rods 105 drive the corresponding guide rods 106 to slide in the guide sleeves 107 and compress the springs 108, meanwhile, the box-shaped clamping rods 105 drive the corresponding anti-abrasion balls 109 to be separated from the annular clamping grooves 203, the clamping is released, at the moment, the left high-pressure union joint 1 can be overturned downwards to pour the right high-pressure union joint 2 out of the interior of the left high-pressure union joint 1, the disassembly is completed, when the assembly is carried out, the right high-pressure union joint 2 penetrates out of the interior of the left high-pressure union joint 1 from left to right, the two paper-clip handles 111 are pulled towards the direction away from each other again to enable the springs 108 to be compressed again, at the moment, the right high-pressure union joint 2 is turned downwards, under the self gravity, the right high-pressure union joint 2 moves downwards and drives the outer edge 202 to be in contact with the sealing ring 101, the pulling force on the clip-shaped handle 111 is released at the moment, the elastic force of the spring 108 in a compressed state drives the corresponding box-shaped clamping rod 105 to move back and reset, the box-shaped clamping rod 105 drives the corresponding anti-abrasion ball 109 to shield and limit the side wall of the annular clamping groove 203, the right high-pressure union joint 2 is fixed, the installation is finished, the disassembly mode is realized by simply pulling through the clamping connection and matching, the right high-pressure union joint 2 is conveniently, quickly and conveniently disassembled, the phenomenon that threads are arranged on the outer side of the right high-pressure union joint 2 for threaded connection and separation is omitted, and the phenomenon that the threads are repeatedly engaged to cause accidental unaligned thread breakage and inclined wire failure can be prevented;

when the connection tightness of the right high-pressure union joint 2 and the left high-pressure union joint 1 needs to be adjusted, the U-shaped handle 104 is pulled forward to drive the internal threaded pipe 103 to rotate, the internal threaded pipe 103 rotates on the external threaded pipe 102 and moves rightwards, the internal threaded pipe 103 drives the anti-abrasion ball 109 to extrude the right inner wall of the annular clamping groove 203 through the box-shaped clamping rod 105 at the moment, and under the extrusion force, the right high-pressure union joint 2 moves rightwards and drives the outer edge 202 to extrude the sealing ring 101 rightwards, so that the sealing ring 101 is compressed, the effect of adjusting the tightness by compressing the sealing ring 101 is achieved, and therefore the phenomenon that the subsequent test is affected by air leakage at the right part is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a well control pressure testing joint of well drilling, includes left high pressure union joint (1) and right high pressure union joint (2), its characterized in that: the right side of the right high-pressure union joint (2) movably penetrates through the inner wall of the right side of the left high-pressure union joint (1) and is integrally provided with a joint part (201), the outer side of the right high-pressure union joint (2) is integrally provided with an outer edge (202), and the outer side of the right high-pressure union joint (2) is provided with an annular clamping groove (203);

a sealing ring (101) which is movably contacted with the right side of the outer edge (202) is embedded on the inner wall of the right side of the left high-pressure union joint (1);

the right side of the left high-pressure union joint (1) is fixedly connected with a thread driving mechanism, and rectangular holes (110) are formed in the inner wall of the top and the inner wall of the bottom of the thread driving mechanism;

the anti-abrasion device is characterized in that an elastic clamping mechanism is installed in the rectangular hole (110), an anti-abrasion ball (109) which is in rolling contact with the inner wall of the right side of the annular clamping groove (203) is nested on the right side of the elastic clamping mechanism, and two ends, far away from each other, of the elastic clamping mechanisms are fixedly connected with a clip-shaped handle (111).

2. The pressure testing connector for well control of drilling according to claim 1, wherein: the thread driving mechanism comprises an internal thread pipe (103) and an external thread pipe (102), the left end of the external thread pipe (102) is fixedly connected with the right side of the left high-pressure union joint (1), the thread pipe of the internal thread pipe (103) is arranged on the outer side of the external thread pipe (102), two rectangular holes (110) are respectively formed in the inner wall of the top of the internal thread pipe (103) and the inner wall of the bottom of the internal thread pipe (103), one sides, far away from each other, of the two internal thread pipes (103) are fixedly connected with U-shaped handles (104), and the square-shaped handles (111) are located in the corresponding U-shaped handles (104).

3. The pressure testing connector for well control of drilling according to claim 1, wherein: the elastic clamping mechanism comprises a box-shaped clamping rod (105) with an opening at the left side, a guide rod (106), a guide sleeve (107) and a spring (108), the box-shaped clamping rod (105) is sleeved in a corresponding rectangular hole (110) in a sliding mode, one ends, close to each other, of the two box-shaped clamping rods (105) extend into the annular clamping groove (203) respectively, an anti-abrasion ball (109) is movably embedded at the right side of the corresponding box-shaped clamping rod (105), and the repellent ends of the two box-shaped clamping rods (105) are fixedly connected with one side, close to the two clip handles (111), respectively;

guide bar (106) fixed connection is between the top inner wall and the bottom inner wall of box-shaped kelly (105) that correspond, and guide sleeve (107) slip cover is established on corresponding guide bar (106), the left side of guide sleeve (107) and the left side inner wall fixed connection of corresponding rectangular hole (110), and spring (108) fixed connection is between the one end inner wall that corresponding guide sleeve (107) and box-shaped kelly (105) are close to right high pressure union joint (2), and spring (108) movable sleeve is established on corresponding guide bar (106).

4. The pressure testing connector for well control of drilling according to claim 1, wherein: an exit hole is formed in the inner wall of the right side of the left high-pressure union joint (1), and the right high-pressure union joint (2) is located in the exit hole and is not in contact with the inner wall of the exit hole.

5. The pressure testing connector for well control of drilling according to claim 2, wherein: the right high-pressure union joint (2) is positioned in the external threaded pipe (102) and is movably contacted with the inner side of the external threaded pipe (102).

6. The pressure testing connector for well control of drilling according to claim 1, wherein: the outer diameter of the outer rim (202) is greater than the outer diameter of the seal ring.

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