CN214741165U - Offshore continuous oil pipe equipment and operation system - Google Patents
Offshore continuous oil pipe equipment and operation system Download PDFInfo
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- CN214741165U CN214741165U CN202120026829.4U CN202120026829U CN214741165U CN 214741165 U CN214741165 U CN 214741165U CN 202120026829 U CN202120026829 U CN 202120026829U CN 214741165 U CN214741165 U CN 214741165U
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Abstract
The utility model discloses an offshore continuous oil pipe device and an operation system, wherein the offshore continuous oil pipe device comprises a ship, a coil pipe roller, a traction mechanism and a first power mechanism, wherein the coil pipe roller, the traction mechanism and the first power mechanism are arranged on the ship; the coil pipe roller is arranged to be wound around the continuous oil pipe under the driving of the first power mechanism; the traction mechanism is arranged to pull the coiled tubing to or from the coil drum under the drive of the first power mechanism. The operation system comprises a platform, wellhead equipment and the offshore continuous oil pipe equipment, wherein the continuous oil pipe is kept in a loose state, and a guide frame is arranged at the edge of the platform. The utility model relates to an oil exploration and development field provides a marine coiled tubing equipment and operating system, and expandable coiled tubing can ensure coiled tubing's operation safety in offshore platform's application place simultaneously, satisfies the operation environment under 7 grades of stormy waves, realizes under the emergency state that the shut-in well does not leak, guarantees personnel, equipment safety, satisfies the environmental protection requirement.
Description
Technical Field
The utility model relates to an oil exploration and development field, more specifically relates to a ship-borne formula coiled tubing corollary equipment and operating system.
Background
In the offshore oil field platform in China, related services of a coiled tubing cannot be carried out due to the limitation of crane capacity and deck area, particularly, in small and old platforms in the Bohai sea, if coiled tubing measures are needed, the size and the length of the coiled tubing can only be reduced as much as possible, a mode of cutting and welding is adopted, the small-diameter tube limits the process measures which can be taken by the coiled tubing, and can only carry out simple process measures, and the welded coiled tubing cannot carry out high-strength operation due to weak strength, poor corrosion resistance and unstable welding process, so that a lot of operation problems also occur. Therefore, the advantages of the coiled tubing in offshore oilfield service cannot be truly exerted at present, the development of services is greatly limited, and the development of comprehensive services is not yet advanced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an offshore continuous oil pipe device, which comprises a ship, a coil pipe roller, a traction mechanism and a first power mechanism, wherein the coil pipe roller, the traction mechanism and the first power mechanism are arranged on the ship;
the coil pipe roller is arranged to be wound around the continuous oil pipe under the driving of the first power mechanism;
the traction mechanism is arranged on one side of the input end of the coil pipe roller, the traction mechanism is detachably mounted on the ship and is adjustable in position, and the traction mechanism is arranged to pull the coiled tubing towards or out of the coil pipe roller under the driving of the first power mechanism.
In one possible embodiment, the coil drum is rotatably mounted on the ship by a drum rotating base, so as to adjust the direction of the input end of the coil drum.
In one possible design, a lifting platform is arranged on the ship, and the traction mechanism is arranged on the lifting platform.
According to a possible design, the roller rotating seat comprises a fixed seat and a rotating seat which are connected in a rotating mode, the fixed seat is fixed on the ship, the coil pipe roller is installed on the rotating seat, and the first power mechanism is arranged to drive the rotating seat to rotate.
In one possible embodiment, the traction means are provided with a blow-out preventer on the side facing away from the coil drum for cutting the coiled tubing and sealing off the pressure inside the coiled tubing in an emergency.
In one possible embodiment, a crane is provided on the vessel for lifting the lifting platform and adjusting the position of the traction mechanism.
An embodiment of the utility model provides an operating system, including platform and the well head equipment of setting on the platform, still include foretell marine coiled tubing equipment, boats and ships are separated with the platform, coiled tubing by well head equipment extends to drive mechanism just keeps lax state, the edge of platform is equipped with the leading truck, is used for the guide coiled tubing stretch to marine coiled tubing equipment.
One possible design, the guide frame comprises a hinged guide part and a support part, the support part is fixed on the platform, the guide part is provided with a track for guiding the coiled tubing, and a telescopic lifting support is arranged between the guide part and the support part and used for folding or unfolding the guide frame.
The control module is respectively electrically or wirelessly connected with the first power mechanism and the second power mechanism and is used for respectively controlling the first power mechanism and the second power mechanism to act.
In one possible design, the traction mechanism is arranged in the same plane as the guide frame and the coil drum.
In one possible design, a recovery mechanism is provided on the platform, the recovery mechanism being configured to pull coiled tubing on the coiled tubing drum back to the platform under extreme sea conditions.
The utility model discloses marine coiled tubing equipment can reduce the requirement to platform loop wheel machine ability to greatly expand coiled tubing at offshore platform's application place, simultaneously, can ensure coiled tubing's operation safety, satisfy the operation environment under the 7 grades of stormy waves, realize the shut-in well under the emergency state and do not leak, guarantee personnel, equipment safety, satisfy the environmental protection requirement.
The utility model discloses the leading truck can prevent that other equipment or facility on the platform from hindering, scraping or colliding with coiled tubing and reducing coiled tubing's life, provides a safe passageway for coiled tubing's transmission on the platform.
The utility model discloses preventer can effectively cut coiled tubing under emergency to the fluid that exists in the shutoff coiled tubing prevents the emergence of secondary disaster.
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 schematic view of an operating system according to an embodiment of the present invention;
FIG. 2 is a schematic view of the offshore coiled tubing installation of FIG. 1;
FIG. 3 is a schematic illustration of the platform of FIG. 1;
FIG. 4 is a schematic view of the coil drum of FIG. 2;
FIG. 5 is a schematic view of the pulling mechanism of FIG. 2;
FIG. 6 is a schematic view of the guide frame of FIG. 3;
FIG. 7 is a control diagram of the operating system of FIG. 1.
Reference numerals: 100-platform, 101-second power mechanism, 102-control module, 200-ship, 201-thrust piston, 202-second power mechanism, 300-coiled tubing, 400-coiled tubing roller, 401-roller, 402-roller frame, 500-traction mechanism, 501-blowout preventer, 600-wellhead equipment, 700-guide frame, 701-guide part, 702-support part, 703-lifting support, 704-track, 705-roller, 800-lifting platform, 900-roller rotating seat, 901-rotating seat and 902-fixing seat.
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 6, which illustrates an operation system according to an embodiment of the present invention, the operation system is mainly divided into a platform and a ship, the two parts cooperate together to complete coiled tubing operation, and are no longer influenced by a hoisting capability on the platform, wherein the operation system specifically includes a platform 100 and a wellhead device 600 disposed on the platform 100, and an offshore coiled tubing device, the ship 200 floats on the sea surface and is separated from the platform, the coiled tubing 300 is extended from the wellhead device 600 to a traction mechanism 500 of the offshore coiled tubing device and maintains a loose state, a guiding frame 700 is disposed at an edge of the platform 100, and the guiding frame 700 can guide the coiled tubing 300 to extend to the offshore coiled tubing device. Therefore, the coiled tubing is introduced to the ship 200 by the operation system, the equipment of the coiled tubing does not need to be hoisted on the platform, the requirement on the crane capacity of the platform 100 is lowered, and the application site of the coiled tubing on the offshore platform is greatly expanded.
As shown in fig. 1, 3 and 6, a wellhead device 600 is disposed on the platform 100 corresponding to the wellhead, the wellhead device 600 includes a tower, an injector, a second power mechanism 101, and the like, and the second power mechanism 101 can provide power to pull the coiled tubing 300 out of the well. The tower of the wellhead equipment 600 is provided with a guide part to guide the coiled tubing 300 to the guide frame 700, the guide frame 700 is erected at the edge of the platform 100 and can be used for erecting the coiled tubing 300 and preventing other equipment or facilities on the platform 100 from blocking, scratching or colliding with the coiled tubing 300 so as to reduce the service life of the coiled tubing 300, and the guide frame 700 provides a safe channel for the transmission of the coiled tubing 300 on the platform 100. The guide frame 700 includes a guide part 701 and a support part 702 which are hinged, the bottom of the support part 702 is fixed on the platform 100, and the top is hinged with one end of the arc-shaped guide part 701; a telescopic lifting support 703 is arranged between the guide part 701 and the support part 702, and two ends of the lifting support 703 are respectively hinged with the support part 702 and the guide part 701; the lifting bracket 703 is a hydraulic telescopic rod, and the lifting bracket 703 can be driven by the second power mechanism 101 to extend and retract, so that the guide frame 700 can be folded, retracted or unfolded; the guide part 701 is provided with a rail 704 for guiding the coiled tubing 300, the rail 704 is arranged along the length direction of the guide part 701, a plurality of rollers 705 are arranged in the rail 704, and the rollers 705 are arranged along the rail 704, so that the friction loss of the coiled tubing 300 in the rail 704 can be reduced.
As shown in fig. 1, 2, 4, 5 and 7, the offshore coiled tubing equipment comprises a vessel 200, and a coiled tubing drum 400, a traction mechanism 500 and a first power mechanism 202 which are installed on the vessel 200, wherein the coiled tubing drum 400 is configured to wind the coiled tubing 300 and take up the coiled tubing 300 under the driving of the first power mechanism 202, the traction mechanism 500 is arranged at one side of an input end of the coiled tubing drum 400, the traction mechanism 500 is detachably installed on the vessel 200 and is adjustable in position, and the traction mechanism 500 is configured to pull the coiled tubing 300 to or out of the coiled tubing drum 400 under the driving of the first power mechanism 202. The coiled tube drum 400 comprises a drum frame 402 and a drum 401, wherein the drum 401 is rotatably installed in the drum frame 402 and can be driven by the first power mechanism 202 to rotate so as to wind the coiled tube 300 thereon, and the input end of the coiled tube drum 400 is the end of the coiled tube drum 400, at which the coiled tube 300 extends into the drum frame 402. Meanwhile, the coil drum 400 is rotatably mounted on the ship through the drum rotating seat 900, so that the direction of the input end of the coil drum 400 can be adjusted to adapt to coiled tubing operations at different angles, and the problem of angle deviation caused by sea surface drift of an operation ship is solved. The drum rotating seat 900 comprises a fixed seat 902 and a rotating seat 901 which are connected in a rotating manner, the fixed seat 902 is fixed on a deck of a ship, the drum frames 402 of the coiled drum 400 are installed on the rotating seat 901, the first power mechanism 202 can drive the rotating seat 901 to rotate by 90 degrees left and right, and the bearing steering bearing capacity of the rotating seat 901 is larger than 40 tons, so that the requirement of rotation under a load condition is met. The tractor 500 is chain driven and can grip coiled tubing 300 for forward and reverse traction, and it is synchronized with the above injector direction operation, so that coiled tubing 300 between the vessel and the platform is in a slack state, not a tension state, and maintains proper tension and operation speed, preventing coiled tubing 300 from being damaged. Meanwhile, the drawing mechanism 500 is provided with a blowout preventer 501 at a side facing away from the coiled tubing drum 400, so that the coiled tubing 300 can extend to the coiled tubing drum 400 only by sequentially penetrating the blowout preventer 501 and the drawing mechanism 500, and the blowout preventer 501 cuts the coiled tubing 300 and seals the pressure inside the coiled tubing 300 in an emergency, namely, seals fluid existing in the coiled tubing 300, and prevents secondary disasters from occurring. In addition, the ship 200 is provided with a lifting platform 800, the blowout preventer 501 and the traction mechanism 500 can be detachably mounted on the lifting platform 800, so that the traction mechanism 500 can be lifted up and down to adjust the position, the lifting platform 800 is provided with a plurality of mounting positions, the traction mechanism 500 can be selected from proper mounting positions, and in the process of conveying the coiled tubing, the lifting platform 800 and the coiled tubing 300 at the position of the roller 401 are positioned in the same horizontal plane and are kept in the same distribution with the actual left-right arrangement condition of the coiled tubing 300 on the roller 401.
In some exemplary embodiments, as shown in fig. 7, the operation system further includes a control module 102, the wellhead 600 is provided with a second power mechanism 101 for driving the injector to pull out the coiled tubing downhole, the control module 102 is wirelessly connected to the first power mechanism 202 and the second power mechanism 101, respectively, and can control the first power mechanism 202 and the second power mechanism 101 to operate, respectively, so as to implement remote control.
In some exemplary embodiments, as shown in fig. 2, the vessel 200 is provided with a crane 201, and the crane 201 lifts the lifting platform 800 to adjust the position of the traction mechanism 500. Thus, after the drum swivel 900 is rotationally adjusted to face, the crane 201 can lift the lifting platform 800 and place it at the front end of the coil drum 400 so that the traction mechanism 400, the guide frame 700 and the coil drum 400 are in the same plane, completing the installation in place.
In addition, in some exemplary embodiments, the platform 100 is further provided with a recovery mechanism (not shown), which can pull the coiled tubing 300 on the vessel 200 to recover to the platform under the driving of the second power mechanism 101. Thus, under normal sea conditions, offshore coiled tubing equipment can be used, and large equipment (such as coiled tubing drum 400) is placed on the deck of vessel 200 for operation without being hoisted to platform 100 and without relying on crane capacity. Under extreme sea conditions, the heaviest coiled tubing 300 can be rewound onto the platform 100 by rewinding the coiled tubing 300, i.e., the coiled tubing 300 wound on the drum 401 is pulled toward the platform by the recovery mechanism and the traction mechanism.
At present, for a platform with the platform crane capacity smaller than 10T, the operation of a coiled tubing with the diameter of 1.25 inches/the length of 3600 meters or the diameter of 1.5 inches/the diameter of 2600 meters can only be realized, the operation type of the coiled tubing is limited, the operation well depth is also limited, and the working requirement cannot be met. If coiled pipe sectional hoisting and pipe butt welding are adopted to carry out coiled pipe operation, only non-stressed coiled pipe operation can be carried out, otherwise the problem of coiled pipe fracture can be caused. The offshore coiled tubing equipment can reduce the requirement on the crane capacity of the platform, and the platform 100 with small crane capacity can also use the coiled tubing 300 with large pipe diameter, so that the application place of the coiled tubing on the offshore platform is greatly expanded, meanwhile, the operation safety of the coiled tubing can be guaranteed, the operation environment under 7-grade stormy waves is met, the well sealing is realized in an emergency state without leakage, the safety of personnel and equipment is guaranteed, and the environment-friendly requirement is met.
According to the above embodiment, the utility model discloses marine coiled tubing equipment can reduce the requirement to the platform loop wheel machine ability to greatly expand coiled tubing at offshore platform's application place, simultaneously, can ensure coiled tubing's operation safety, satisfy the operation environment under 7 grades of stormy waves, realize under the emergency state that the shut-in well does not leak, guarantee personnel, equipment safety, satisfy the environmental protection requirement. The utility model discloses the leading truck can prevent that other equipment or facility on the platform from hindering, scraping or colliding with coiled tubing and reducing coiled tubing's life, provides a safe passageway for coiled tubing's transmission on the platform. The utility model discloses preventer can effectively cut coiled tubing under emergency to the fluid that exists in the shutoff coiled tubing prevents the emergence of secondary disaster.
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 (11)
1. The offshore continuous oil pipe equipment is characterized by comprising a ship, a coil pipe roller, a traction mechanism and a first power mechanism, wherein the coil pipe roller, the traction mechanism and the first power mechanism are arranged on the ship;
the coil pipe roller is arranged to be wound around the continuous oil pipe under the driving of the first power mechanism;
the traction mechanism is arranged on one side of the input end of the coil pipe roller, the traction mechanism is detachably mounted on the ship and is adjustable in position, and the traction mechanism is arranged to pull the coiled tubing towards or out of the coil pipe roller under the driving of the first power mechanism.
2. Offshore coiled tubing installation according to claim 1, wherein the coil drum is rotatably mounted on the vessel by means of a drum swivel for adjusting the incoming end direction of the coil drum.
3. The offshore coiled tubing installation of claim 2, wherein the vessel is provided with a lift table, and the traction mechanism is provided on the lift table.
4. The offshore coiled tubing installation of claim 2, wherein the roller swivel comprises a fixed base and a rotatable base in rotational connection, the fixed base being fixed to the vessel, the coiled tubing roller being mounted on the rotatable base, the first power mechanism being configured to drive rotation of the rotatable base.
5. Offshore coiled tubing installation according to claim 3, wherein the pulling mechanism is provided with a blowout preventer on the side facing away from the coiled tubing drum for cutting the coiled tubing and sealing off the pressure inside the coiled tubing in case of emergency.
6. Offshore coiled tubing installation according to claim 3, wherein a crane is provided on the vessel for lifting the lifting platform for adjusting the position of the traction means.
7. A work system comprising a platform and wellhead equipment disposed thereon, and further comprising offshore coiled tubing equipment as claimed in claim 5, the vessel being spaced from the platform, coiled tubing extending from the wellhead equipment to the tractor and being held in a slack condition, and a guide frame being provided at an edge of the platform for guiding the coiled tubing to the offshore coiled tubing equipment.
8. The work system of claim 7, wherein the guide frame comprises a guide portion and a support portion, the guide portion being hinged to the platform, the support portion being provided with a track for guiding the coiled tubing, and a telescopic lifting bracket being provided between the guide portion and the support portion for folding or unfolding the guide frame.
9. The operation system according to claim 7, further comprising a control module, wherein the wellhead equipment is provided with a second power mechanism for pulling out the downhole coiled tubing, and the control module is electrically or wirelessly connected with the first power mechanism and the second power mechanism respectively and used for controlling the first power mechanism and the second power mechanism to act respectively.
10. The work system of claim 7, wherein said traction mechanism is disposed in the same plane as said guide frame and said coil drum.
11. The work system of claim 7, wherein a retrieval mechanism is provided on the platform, the retrieval mechanism configured to pull coiled tubing on the coiled tubing drum back to the platform in extreme sea conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120026829.4U CN214741165U (en) | 2021-01-06 | 2021-01-06 | Offshore continuous oil pipe equipment and operation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120026829.4U CN214741165U (en) | 2021-01-06 | 2021-01-06 | Offshore continuous oil pipe equipment and operation system |
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| Publication Number | Publication Date |
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| CN214741165U true CN214741165U (en) | 2021-11-16 |
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| CN202120026829.4U Active CN214741165U (en) | 2021-01-06 | 2021-01-06 | Offshore continuous oil pipe equipment and operation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370307A (en) * | 2022-10-27 | 2022-11-22 | 易初机械装备有限公司 | Coiled tubing operation device |
-
2021
- 2021-01-06 CN CN202120026829.4U patent/CN214741165U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370307A (en) * | 2022-10-27 | 2022-11-22 | 易初机械装备有限公司 | Coiled tubing operation device |
| CN115370307B (en) * | 2022-10-27 | 2023-01-31 | 易初机械装备有限公司 | Coiled tubing operation device |
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