CN212893562U - Auxiliary device matched with pump inspection of workover rig-free platform - Google Patents

Abstract

The utility model discloses a supporting auxiliary device of pump that examines of no workover rig platform fixes on the platform deck, including base, support and overhead traveling crane, the base sets up on the platform deck and corresponds with the well head, the bottom of support with the base meets, the top of support is equipped with the overhead traveling crane, correspond on the base the overhead traveling crane is equipped with wire rope elevating system. The utility model relates to an oil exploration and development field provides a supporting auxiliary device of pump that examines of no workover rig platform, and it can cooperate to throw and drag for the charge pump operation, does not need drill ship, workover rig cooperation, realizes economy, quick, safe operation, has effectively reduced development cost.

Description

Auxiliary device matched with pump inspection of workover rig-free platform

Technical Field

The utility model relates to an unmanned platform examines the pump field, more specifically relates to a supporting auxiliary device of pump that examines of no workover rig platform.

Background

Currently, with the continuous expansion of low-cost marginal oilfield development scale, the number of unmanned platforms is also increasing. The unmanned platform is low in development cost, various equipment and well repairing equipment are not involved basically, once a platform production well breaks down, pump detection work of the platform is mainly completed by a drilling ship, and therefore the production well is long in recovery period and high in cost.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a supporting auxiliary device of pump that examines of no workover rig platform fixes on the platform deck, including base, support and overhead traveling crane, the base sets up on the platform deck and corresponds with the well head, the bottom of support with the base meets, the top of support is equipped with the overhead traveling crane, correspond on the base the overhead traveling crane is equipped with wire rope elevating system.

One possible design includes a moving mechanism, where the base is connected to the platform deck through the moving mechanism, and the moving mechanism is used to drive the base to move in a horizontal plane.

In one possible design, the bottom of the support is hinged with the base, and the support comprises a vertically arranged working state and a horizontally arranged inverted state; and a lifting oil cylinder is arranged on the base, and the output end of the lifting oil cylinder is connected with the support and used for driving the support to be switched between the working state and the inverted state.

One possible design is that the moving mechanism comprises a transverse moving assembly and a longitudinal moving assembly, the transverse moving assembly comprises a transverse guide rail and a transverse moving oil cylinder fixed on the transverse guide rail, and the longitudinal moving assembly comprises a longitudinal guide rail and a longitudinal moving oil cylinder fixed on the longitudinal guide rail; the base is connected with the longitudinal guide rail in a sliding mode, and the output end of the longitudinal moving oil cylinder is connected with the base and used for driving the base to longitudinally translate; the transverse guide rail is fixed on the platform deck, the longitudinal guide rail is perpendicular to and slidably connected with the transverse guide rail, and the output end of the transverse moving oil cylinder is connected with the longitudinal guide rail and used for driving the longitudinal moving assembly and the base to transversely translate.

The support comprises an upper support and a lower support which are connected in a sliding mode, the upper support is sleeved in the lower support, a telescopic oil cylinder is arranged on the lower support, and the output end of the telescopic oil cylinder is connected with the bottom end of the upper support and used for driving the upper support to slide up and down to extend out of or retract into the lower support.

In one possible design, the cable lifting mechanism includes a hoisting winch and an auxiliary winch, which are fixed to the base, for pulling the cable to raise or lower the travelling block on the cable.

A possible design comprises an electric control mechanism, wherein the electric control mechanism comprises a controller and a hydraulic station which are electrically connected, and the hydraulic station is used for supplying oil to the steel wire rope lifting mechanism, the moving mechanism, the lifting oil cylinder and the telescopic oil cylinder to control respective actions.

A possible design, includes that the overhead traveling crane prevents bumping the mechanism, the overhead traveling crane prevent bumping the mechanism with the electrical control mechanism electricity is connected, is used for detecting the position of coaster moves about and feeds back to the electrical control mechanism.

In one possible design, the wire rope hoist comprises a tension indicator for monitoring the working load.

In one possible design, the base is provided with a walking channel, and the periphery of the base is provided with a detachable guardrail and a walking ladder for moving the base up and down.

The utility model discloses the supporting auxiliary device of pump that examines of no workover rig platform, it can cooperate to throw and drag for the charge pump operation, does not need drill ship, workover rig cooperation, realizes economy, quick, safe operation, has effectively reduced development cost.

The utility model discloses examine supporting auxiliary device of pump and cover vertical, the lateral shifting function of platform well head, can realize between well and the well, remove or move between platform and the platform.

The utility model discloses examine supporting auxiliary device of pump has alleviateed the weight of support on the basis of intensity reliability, has decomposed the operation load, and whole load stability improves.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

Fig. 1 is a first schematic view of a pump detection auxiliary device according to an embodiment of the present invention;

fig. 2 is a second schematic view of a pump detection auxiliary device according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

FIG. 5 is an enlarged view of a portion of FIG. 1 at C;

FIG. 6 is an enlarged view of a portion of FIG. 2 at D;

FIG. 7 is an enlarged view of a portion of FIG. 2 at E;

FIG. 8 is a schematic top view of the pump test kit of FIG. 1;

FIG. 9 is an enlarged view of a portion of FIG. 8 at F;

FIG. 10 is a first schematic view of the susceptor of FIG. 1;

FIG. 11 is a second schematic view of the susceptor of FIG. 1;

FIG. 12 is a schematic view of the auxiliary device for pump test in FIG. 1 in a laid-down state;

fig. 13 is a schematic view of a pump detection kit according to a further embodiment of the present invention;

fig. 14 is a schematic view of a pump detection auxiliary device according to another embodiment of the present invention.

Reference numerals: 100-base, 101-equipment area, 102-walking channel, 103-lifting oil cylinder, 104-lifting winch, 105-guardrail, 106-first hinge position, 107-support connection position, 108-auxiliary winch, 109-walking ladder, 110-electric control cabinet, 200-bracket, 201-lower bracket, 202-upper bracket, 203-support rod, 204-reinforcing rod, 205-draw beam, 206-upright post, 207-detachable draw beam, 208-auxiliary support rod, 300-moving mechanism, 301-longitudinal guide rail, 302-longitudinal moving oil cylinder, 303-walker, 304-transverse guide rail, 305-transverse moving oil cylinder, 306-connection rib, 400-crown block, 401-four pulley component, 402-double pulley component, 5-steel wire rope, 5-lifting oil cylinder, 105-guardrail, 6-traveling block, 7-wellhead, 800-boundary beam, 801-fixing piece and 9-oil pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

Please refer to fig. 1 to 12, which illustrate the auxiliary device for pump inspection without a workover rig platform according to the present invention. The above-mentioned auxiliary device for pump inspection is added to the platform of the workover rig, and the auxiliary device for pump inspection is fixed on the platform deck, as shown in fig. 1, it includes a base 100, a support 200 and a crown block 400, wherein the base 100 is arranged on the platform deck (not shown in the figure) and corresponds to the wellhead, the bottom of the support 200 is connected with the base 100, the top of the support 200 is provided with the crown block 400, and meanwhile, the base 100 is provided with a steel wire rope lifting mechanism corresponding to the crown block 400. Therefore, the auxiliary device matched with the inspection pump can be matched with a throwing and fishing electric pump for operation, so that the platform can realize economic, rapid and safe operation without matching of a drilling ship and a workover rig, and the development cost is effectively reduced.

As for the base 100, as shown in fig. 10 and 11, it includes a facility area 101 and walking channels 102 at both sides of the facility area, wherein the above-mentioned wire rope lifting mechanism and an opening for lowering the wire rope 5 are disposed in the facility area 101; the walking channel 102 is used as a safety channel, which meets the relevant requirements of offshore operation, and is paved with hyacinth bean-shaped checkered plates, guard rails 105 which can be inserted and removed and two walking ladders 109 for operators to go up and down. Specifically, the steel wire rope lifting mechanism comprises a lifting winch 104 and an auxiliary winch 108, wherein the lifting winch 104 and the auxiliary winch 108 are respectively a 10T hydraulic power winch and a 3T hydraulic power winch, the lifting winch 104 plays a main lifting role, rollers on the lifting winch 104 and the auxiliary winch are provided with a guide spiral rope groove, a rope arranger, a brake system, a protective cover and the like are configured, an encoder interface is reserved and installed, the lifting winch can be reliably locked at any position during loading, a lifted object cannot fall down automatically, and the suspended weight can fall slowly after the brake cylinder is released through manual control.

As for the crown block 400, as shown in fig. 3, 4, 6 and 9, it is detachably installed on the top of the stand 200, and can be separately installed at sea. Specifically, the four-pulley assembly 401 and the double-pulley assembly 402 are included, and as the name suggests, the four-pulley assembly 401 is a four-pulley structure formed by symmetrically arranging four pulleys, and the double-pulley assembly 402 is a double-pulley structure formed by two pulleys. Therefore, the steel wire rope lifting mechanism is provided with two steel wire ropes 5, one of the steel wire ropes 5 is matched with the four-pulley assembly 401 and the lifting winch 104, one end of the steel wire rope 5 is fixed in the equipment area 101, the other end of the steel wire rope passes through the four-pulley assembly 401 and is connected with the lifting winch 104, so that the traveling block 6 is hung on the steel wire rope, and the lifting winch 104 pulls the steel wire rope 5 to lift or lower the traveling block 6 on the steel wire rope 5; the other steel wire rope 5 is matched with the double pulley assembly 402 and the auxiliary winch 108, one end of the other steel wire rope is connected with the auxiliary winch 108, and the other end of the other steel wire rope is provided with a small hook. In addition, the wire rope lifting mechanism is provided with a tension indicator (not shown in the figure), which can monitor the operation load and can better judge the underground operation condition.

As shown in fig. 1 to 7, the stand 200 is a two-stage design, which can be changed in length in a telescopic manner, and includes an upper stand 202 and a lower stand 201 which are slidably connected, wherein the lower stand 201 is connected to the base 100, the upper stand 202 is sleeved in the lower stand 201, the upper stand 202 extends out of the lower stand 201 to form an extension of the stand 200, and the upper stand 202 retracts into the lower stand 201 to form a retraction of the stand 200. Thus, the height of the stand 200 can be adjusted between 11-16 m. Specifically, the lower bracket 201 is composed of two upright posts 206, a plurality of tie beams 205 and detachable tie beams 207, which together enclose a cavity for holding the upper bracket 202, the two upright posts 206 are arranged in parallel, the tie beam 205 which is transversely or obliquely arranged is arranged at the rear side of the upright post 206, the detachable tie beam 207 is arranged at the front side of the upright post 206, the detachable tie beam 207 is movable and can be locked by a wedge block and a bolt in a matching way, so that the upper bracket 202 does not need to be sleeved into the lower bracket 201, and the offshore simple installation can be realized independently. And a telescopic oil cylinder (not shown in the figure) is arranged on the lower support 201, and the output end of the telescopic oil cylinder is connected with the bottom end of the upper support 202, so that the upper support 202 can be driven to slide up and down to extend out of or retract into the lower support 201. In addition, the bottom of the stand 200 is hinged to the base 100, so that the stand 200 includes a working state in a vertical arrangement and an upside-down state in a horizontal arrangement. The base 100 is provided with a first hinge position 106 and a support connection position 107, the upright column 206 of the lower bracket 201 is hinged with the first hinge position 106 to form the hinge joint of the lower bracket 201 and the base 100, and the equipment area 101 of the base 100 is also provided with a lifting cylinder 103, the output end of which is hinged with the lower bracket 201 and can drive the bracket 200 to rotate to switch between a working state and a reverse state. The telescopic oil cylinder and the lifting oil cylinder 103 are sealed in a combined manner, the sealing performance is good, the plunger rod and the piston rod are subjected to surface chromium plating treatment, and the cylinder body is processed by high-quality quenched and tempered steel. As shown in FIG. 1, the support 200 is in an operating state, and a support rod 203 and a reinforcing rod 204 are further arranged on the front side of the lower support 201, and the lower end of the support rod 203 is supported at the support connection position 107 to stabilize the posture of the support 200. As shown in fig. 12, the stand 200 is in an upside-down state, the stand 200 is horizontal, and the rear side of the lower stand 201 is further provided with an auxiliary support bar 208 supported on the base 100 to ensure the stand 200 to be stable.

The auxiliary device matched with the pump inspection further comprises a moving mechanism 300, the base 100 is connected with the platform deck through the moving mechanism 300, so that the moving mechanism 300 can drive the base 100 to move on the horizontal plane, and the well mouth 7 is centered. As shown in fig. 1, 2, 5, 7 and 8, the moving mechanism 300 includes a vertically disposed traverse assembly including a traverse rail 304 and a traverse cylinder 305 fixed thereto, and a longitudinal moving assembly including a longitudinal rail 301 and a traverse cylinder 302 fixed thereto. The two longitudinal guide rails 301 are arranged at intervals to form a two-beam structure, and a connecting rib 306 is arranged between the two longitudinal guide rails 301, so that the two longitudinal guide rails 301 are connected into a whole; the base 100 is slidably connected with the longitudinal rails 301 through a plurality of walkers 303, any longitudinal rail 301 is provided with a longitudinal moving cylinder 302, the longitudinal moving cylinder 302 is also connected with the walkers 303 and can be locked at one position of the longitudinal rails 301 or slide on the longitudinal rails 301, and the output end of the longitudinal moving cylinder 302 is connected with the base 100, so that the longitudinal moving cylinder 302 can push the base 100 to longitudinally translate. The two ends of the two transverse guide rails 304 are fixed on a bearing beam of the platform deck through ear plates in a welding mode, meanwhile, the longitudinal guide rail 301 is arranged on the upper side of the transverse guide rails 304 and is connected with the transverse guide rails 304 in a sliding mode through the walker 303, a transverse moving oil cylinder 305 is arranged on any one transverse guide rail 304, the transverse moving oil cylinder 305 is also connected through the walker 303 and can be locked at or slide on one position of the transverse guide rails 304, the output end of the transverse moving oil cylinder 305 is connected with the longitudinal guide rail 301, and the longitudinal moving assembly and the base 100 can be pushed to move transversely together. In addition, the transverse guide rails 304 or the longitudinal guide rails 301 can meet the deck load-bearing beam span of a typical workover rig-free platform 10m-12 m.

In addition, the auxiliary device matched with the pump inspection further comprises an electric control mechanism arranged on the base 100, the electric control mechanism further comprises a controller (not shown in the figure) and a hydraulic station (not shown in the figure) which are electrically connected, the hydraulic station is of a skid-mounted structure, the top of the hydraulic station is integrally hoisted, and the controller is arranged in an electric control cabinet 110 of which the top is explosion-proof. The hydraulic station can supply oil to the lifting winch 104, the auxiliary winch 108, the longitudinal moving oil cylinder 302, the transverse moving oil cylinder 305, the telescopic oil cylinder and the lifting oil cylinder 103 through oil passages to drive the respective actions. Therefore, the operator can control all the output actions through the controller in a unified mode. Specifically, the hydraulic station is provided with an oil tank, the oil tank is provided with an air filter (respirator), an oil return filter, a visual liquid level meter, an explosion-proof oil temperature sensor and the like, the cooling mode of the hydraulic station is forced air cooling, the oil tank is provided with a heater, heating can be automatically stopped after the set temperature is reached, the oil pump is used and standby, the explosion-proof grade of a motor is Exd II BT4, and the protection grade is IP 56. The support 200 is further provided with a crown block anti-collision mechanism (not shown in the figure), the crown block anti-collision mechanism is electrically connected with a controller of the electric control mechanism, the position of the traveling block 6 can be detected and fed back to the controller, when the traveling block 6 runs to the top warning height area, the controller can send out an early warning signal, and the controller controls an electromagnetic valve of the hoisting winch according to the early warning signal to forcibly brake, so that the operation safety is ensured.

The base 100 is also provided with a lighting lamp which mainly comprises two paths of 400V power supplies and 230V lighting, and an electrical system is a three-phase three-wire system and neutral point insulation system. The electric system mainly comprises a control switch, a lighting lamp, a cable plug-in, a junction box and other related accessories in an electric control cabinet 110, 8 explosion-proof fluorescent lamps are configured, the explosion-proof grade is Exd II BT4, the protection grade is IP56, the material is 316SS, and the electric system can continuously discharge for 90 minutes by a self-contained battery.

In yet another embodiment, as shown in fig. 13, three longitudinal rails 301 are spaced apart to form a three-beam structure, which makes full use of the large platform lateral space.

In another embodiment, as shown in fig. 14, the moving mechanism 300 is not provided, the base 100 is fixed on the wellhead trough boundary beam 800 through a fixing part 801, the platform is multi-point supported and is suitable for a workover rig-free platform with a small available area and space, and the pump inspection and matching auxiliary device can be matched with a steel wire, a cable and an oil pipe 9 to perform the pump inspection operation of a steel wire casting and fishing electric pump and can also perform the cross operation with a workover rig.

Combine above-mentioned embodiment, the utility model discloses the supporting auxiliary device of pump that examines of no workover rig platform, it can cooperate to throw and drag for the charge pump operation, does not need drill ship, workover rig cooperation, realizes economy, quick, safe operation, has effectively reduced development cost. The utility model discloses examine supporting auxiliary device of pump and cover vertical, the lateral shifting function of platform well head, can realize between well and the well, remove or move between platform and the platform. The utility model discloses examine supporting auxiliary device of pump has alleviateed the weight of support on the basis of intensity reliability, has decomposed the operation load, and whole load stability improves.

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" word structure "and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and thus, is not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through 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.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a supporting auxiliary device of pump that examines of no workover rig platform fixes on the platform deck, a serial communication port, including base, support and overhead traveling crane, the base sets up on the platform deck and corresponds with the well head, the bottom of support with the base meets, the top of support is equipped with the overhead traveling crane, correspond on the base the overhead traveling crane is equipped with wire rope elevating system.

2. The pump-testing auxiliary device of the workover rig platform according to claim 1, comprising a moving mechanism, wherein the base is connected with the platform deck through the moving mechanism, and the moving mechanism is used for driving the base to move in a horizontal plane.

3. The pump inspection aid of claim 2 wherein the bottom of the frame is hinged to the base, the frame including a vertically disposed working position and a horizontally disposed inverted position; and a lifting oil cylinder is arranged on the base, and the output end of the lifting oil cylinder is connected with the support and used for driving the support to be switched between the working state and the inverted state.

4. The pump inspection aid of claim 3 wherein the movement mechanism comprises a traverse assembly and a longitudinal movement assembly, the traverse assembly comprising a traverse rail and a traverse cylinder secured thereto, the longitudinal movement assembly comprising a longitudinal rail and a longitudinal cylinder secured thereto; the base is connected with the longitudinal guide rail in a sliding mode, and the output end of the longitudinal moving oil cylinder is connected with the base and used for driving the base to longitudinally translate; the transverse guide rail is fixed on the platform deck, the longitudinal guide rail is perpendicular to and slidably connected with the transverse guide rail, and the output end of the transverse moving oil cylinder is connected with the longitudinal guide rail and used for driving the longitudinal moving assembly and the base to transversely translate.

5. The pump inspection auxiliary device of the workover rig platform according to claim 4, wherein the support comprises an upper support and a lower support which are connected in a sliding manner, the upper support is sleeved in the lower support, the lower support is provided with a telescopic oil cylinder, and the output end of the telescopic oil cylinder is connected with the bottom end of the upper support to drive the upper support to slide up and down to extend out of or retract into the lower support.

6. The pump inspection aid of claim 5 wherein the wireline hoist comprises a hoist winch and an auxiliary winch secured to the base for pulling the wireline to raise and lower a travelling block on the wireline.

7. The pump-checking auxiliary device of the workover rig platform according to claim 6, comprising an electric control mechanism, wherein the electric control mechanism comprises a controller and a hydraulic station which are electrically connected, and the hydraulic station is used for supplying oil to the steel wire rope lifting mechanism, the moving mechanism, the lifting oil cylinder and the telescopic oil cylinder to control respective actions.

8. The pump-detecting auxiliary device for a workover rig platform according to claim 7, comprising a crown block anti-collision mechanism, wherein the crown block anti-collision mechanism is electrically connected with the electric control mechanism for detecting the position of the traveling block and feeding back the position to the electric control mechanism.

9. The pump inspection aid of claim 1-8 wherein the wireline hoist includes a tension indicator to monitor the operational load.

10. The pump inspection support device of a workover rig platform according to any one of claims 1 to 8, wherein the base is provided with a walking channel, and the periphery of the base is provided with a detachable guardrail and a walking ladder for moving the base up and down.

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