CN202108500U - Well mouth butt joint device for continuous oil pipe tests - Google Patents
Well mouth butt joint device for continuous oil pipe tests Download PDFInfo
- Publication number
- CN202108500U CN202108500U CN2011202201562U CN201120220156U CN202108500U CN 202108500 U CN202108500 U CN 202108500U CN 2011202201562 U CN2011202201562 U CN 2011202201562U CN 201120220156 U CN201120220156 U CN 201120220156U CN 202108500 U CN202108500 U CN 202108500U
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- Prior art keywords
- umbrella cover
- coiled tubing
- hole
- well head
- injection device
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Abstract
The utility model provides a well mouth butt joint device for continuous oil pipe tests, which is arranged between a continuous oil pipe injection device and an anti-spraying pipe and comprises a support platform and a guide mechanism. The support platform is arranged on a working face in lifting mode and under the continuous oil pipe injection device and connected with the continuous oil pipe injection device. The guide mechanism is connected between the support platform and the anti-spraying pipe. The injection device, the support platform, the guide mechanism and the anti-spraying pipe are respectively provided with a through hole for a continuous oil pipe to pass through, and the through holes of the injection device, the support platform, the guide mechanism and the anti-spraying pipe form a channel for the continuous oil pipe to pass through. The well mouth butt joint device fundamentally solves the problem in the prior art that a connection process wastes time and labor, and safety hazards exist. The well mouth butt joint device is simple in structure, convenient to install and capable of being recycled.
Description
Technical field
The utility model relates to the petroleum well logging technology field, and the well head the service of connection devices when belonging to a kind of coiled tubing and carrying out oil well test is in particular to a kind of well head docking facilities that is used for the coiled tubing test.
Background technology
At present, the coiled tubing technology has been widely used in the oil well test field, in oil-gas exploration and Development and Production, plays a part very important.When carrying out the oil well test construction with coiled tubing; Need coiled tubing be put into the lubricator of well head top; Be lowered in the target zone via equipment such as preventer, decentralized wellhead and test pillars again; In this process, also need install and have the coupling sleeve of setting upright with fixation in lubricator and coiled tubing connection place, mainly prevent when tripping out continuous pipe since injection device and blowout hookup decentraction to the injury of equipment such as coiled tubing and well control.In the well head docking operation; Need crane constantly to adjust height and orientation; Need the staff with pipe wrench or with the afterburning butt joint of hand simultaneously; Need wait under crane that the long period accomplishes the butt joint coiled tubing and coupling sleeve work is installed, not only have very big potential safety hazard, more waste a large amount of activity durations.
Chinese patent ZL 200920020242.1 discloses a kind of well head oil pipe of petroleum industry use and has set upright instrument; Mainly be used in the construction of workover treatment and formation testing gas testing; At well head oil pipe is risen and to set upright and fixation; But this instrument still needs to go to help with staff, can not solve the safety problem that exists when long-time manual work is firmly set upright and dismantled.
The utility model content
The utility model when test is docked with lubricator to present coiled tubing need go to help with staff and the problems such as time-consuming, effort that exist; Develop a kind of well head docking facilities that is used for the coiled tubing test; Can realize continuously pipe and wellhead blowout preventer rapid coupling, dismounting, fundamentally the class security problems that solves time-consuming in the connection process in the past, effort and exist.
For this reason; The utility model proposes a kind of well head docking facilities that is used for the coiled tubing test; Be arranged between coiled tubing injection device and the lubricator; The said well head docking facilities that is used for coiled tubing test comprises: liftably be arranged on the brace table on the work plane, be arranged on coiled tubing injection device below and be connected with said coiled tubing injection device; Guiding mechanism is connected between said brace table and the lubricator; Wherein, Said injection device, said brace table and said guiding mechanism and said lubricator are equipped with the through hole that coiled tubing passes through, and the through hole of said injection device through hole, said brace table through hole, said guiding mechanism and the through hole of said lubricator form the passage that coiled tubing passes through.
Further, the said well head docking facilities that is used for coiled tubing test also comprises: elevating mechanism is arranged on the work plane and with said brace table and is connected.
Further, said elevating mechanism is leading screw pattern or fluid pressure type telescopic outrigger.
Further; Said brace table comprises: the externally threaded bolt that has that is connected the gripper shoe of said injection device below and is connected said gripper shoe below, the through hole of said brace table comprises: the through hole of the said gripper shoe that is interconnected and the through hole of said bolt.
Further; Said guiding mechanism comprises: go up umbrella cover and following umbrella cover; The said umbrella cover of going up is set in outside the said bolt through being threaded; Umbrella cover is connected with said lubricator under said, and the through hole of said guiding mechanism comprises: said through hole and the said through hole of umbrella cover down of going up umbrella cover that is interconnected, said upward umbrella cover and the said tapering location of passing through between the umbrella cover down connect.
Further, the said umbrella cover of going up has conical outer surface, and said subumbrella cover has the taper inner concave that matches with said conical outer surface, and the said outer rim of umbrella cover down is arranged on outside the outer rim of said upward umbrella cover.
Further, also be provided with locating slot on the conical outer surface of said last umbrella cover, also be provided with the spring holder that fastens in said locating slot in the said following umbrella cover.
Further, said spring holder comprises: be arranged in the said umbrella cover down and the spherical alignment pin that wears the spring of said taper inner concave and be arranged on said spring end.
Further, the below of said lubricator is connected with preventer, and said umbrella cover down is enclosed within on the said lubricator through being spirally connected.
The well head docking facilities that is used for the coiled tubing test of the utility model comprises the brace table that liftably is arranged on the work plane; Guiding mechanism; Be connected between said brace table and the lubricator; The utility model adopts brace table to replace hand tool, and having overcome needs long-time manual work firmly to set upright in the coiled tubing test process, and operating personnel need be positioned at for a long time that the injection device below is operated and the safety problem brought.The utility model has realized that the coiled tubing test process connects, convenient disassembly is quick, has overcome the safety problem that need wait under crane that the long period exists when accomplishing the butt joint coiled tubing and coupling sleeve work being installed with dismounting.
Description of drawings
Fig. 1 is the operating principle sketch map according to the well head docking facilities of the utility model embodiment;
Fig. 2 is the overall structure sketch map according to the well head docking facilities of the utility model embodiment;
Fig. 3 is the sectional structure sketch map at A-A place among Fig. 2, has wherein removed coiled tubing;
Fig. 4 is last umbrella cover plan structure sketch map;
Fig. 5 is following umbrella cover plan structure sketch map.
The drawing reference numeral explanation:
1-coiled tubing car, 2-coiled tubing, 3-coiled tubing injection device, 4-coupling bolt, 5-base plate, 6-band centre bore bolt; The last umbrella cover of 7-, 8-locating slot, umbrella cover under the 9-, 10-lubricator, 11-preventer, 12-leading screw; The 13-supporting leg, 14-supporting leg locating hole, 15-coupling bolt locating hole, 16-band centre bore bolt external screw thread, 17-bolt centre bore, the last umbrella cover centre bore of 18-; The last umbrella cover internal thread of 19-, 20-fixing pin, 21-spring, 22-alignment pin, 23-spring base hole, umbrella cover centre bore under the 24-
The specific embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the specific embodiment of description of drawings the utility model at present.
As depicted in figs. 1 and 2; The utility model proposes a kind of well head docking facilities that is used for the coiled tubing test; Be arranged between coiled tubing injection device 3 and the lubricator 10; The said well head docking facilities that is used for coiled tubing test comprises: liftably be arranged on the brace table on the work plane, be arranged on coiled tubing injection device 3 belows and be connected with said coiled tubing injection device 3; Guiding mechanism is connected between said brace table and the lubricator, owing to make coiled tubing 2 get into lubricator 10.The below of said lubricator 10 is connected with preventer 11. wherein; Said injection device 3, said lubricator 10, said brace table and said guiding mechanism are equipped with the through hole that coiled tubing passes through, and the through hole of said injection device through hole, said brace table through hole, said guiding mechanism and the through hole of said lubricator form the passage that coiled tubing passes through.
Work plane for example is ground or working face.Brace table is arranged on and just need not in test process, to adopt manual work to set upright on ground or the working face, thereby has increased the safety of operation, has improved operating efficiency.Brace table mainly works to support the effect of injection device and transition connection.Brace table liftably is arranged on can be along with work plane or requirements of one's work carry out height adjustment on the work plane.Said injection device through hole, said brace table through hole, the through hole of said guiding mechanism and the through hole of said lubricator for example are circular hole, are provided with one heart, are convenient to processing and are connected.
Further, as depicted in figs. 1 and 2, the said well head docking facilities that is used for coiled tubing test also comprises: elevating mechanism is arranged on the work plane and with said brace table and is connected, with the up-down of realization brace table.Said elevating mechanism for example is leading screw pattern or fluid pressure type telescopic outrigger.Leading screw pattern telescopic outrigger can be connected to form with supporting leg 13 by the leading screw 12 shown in the figure.The telescopic outrigger of gripper shoe when promoting coiled tubing, can play since continuously the pipe lateral force have and to the infringement of lubricator 10 supporting leg 13 flexible by leading screw 12 controls.
Further, as shown in Figures 2 and 3, said brace table comprises: be connected the gripper shoe 5 of said injection device 3 belows and the bolt with external screw thread 16 6 that is connected said gripper shoe 5 belows.The through hole of said brace table comprises: the through hole (not shown) of the said gripper shoe that is interconnected and the through hole 17 of said bolt 6 (being the centre bore 17 of bolt 6).Wherein, the shape of gripper shoe 5 can be rectangle, is convenient to processing.Bolt 6 can be an integral body of welding with gripper shoe 5.Before coiled tubing car 1 was tested, the gripper shoe 5 that will have telescopic outrigger 13 was fixedly connected through attachment bolt 4 with coiled tubing injection device 3.
Further, like Fig. 2 and shown in Figure 4, said guiding mechanism comprises: go up umbrella cover 7 and following umbrella cover 9; The said umbrella cover 7 of going up is located at outside the said bolt 6 through screw thread 19 adapter sleeves; Said umbrella cover 9 down is connected with said lubricator 10, and for example, said umbrella cover 9 down is enclosed within through being spirally connected on the said lubricator 10.The through hole of said guiding mechanism comprises: said upward through hole of umbrella cover (going up umbrella cover centre bore 18) that is interconnected and the said through hole (following umbrella cover centre bore 24) of umbrella cover down, said upward umbrella cover 7 and the said tapering location of passing through between the umbrella cover 9 down connect.Like this, can realize that accurately the location cooperates, guarantee that coiled tubing car 2 can get in the lubricator 10 accurately.
Further, as shown in Figure 2, the said umbrella cover 7 of going up has conical outer surface, and said umbrella cover 9 down has the taper inner concave that matches with said conical outer surface, and the said outer rim of umbrella cover down is arranged on outside the outer rim of said upward umbrella cover.Like this, can make down umbrella cover 9 steadily floor mop live in umbrella cover 7, make under firm being sitting in of umbrella cover 7 on the umbrella cover 9.
Further, as shown in Figure 2, also be provided with locating slot 8 on the conical outer surface of said last umbrella cover 7, also be provided with the spring holder that fastens in said locating slot in the said following umbrella cover 9.Like this, screens and the disengaging be convenient between umbrella cover 7 and the following umbrella cover 9 tighten.As shown in Figure 5, said spring holder comprises: be arranged in the spring base hole 23 of said down umbrella cover 9 and the spherical alignment pin 22 that wears the spring 21 of said taper inner concave and be arranged on said spring 21 ends.The diameter of spherical alignment pin 22 is less than the degree of depth of last umbrella cover cannelure 8.A wherein end of spring base hole 23 is provided with fixing pin 20 with support spring 21.Locating slot 8 for example is an annular, and spring holder can be three, also can be for a plurality of.As shown in Figure 5, spring holder is three, is arranged on down uniformly on the umbrella cover 9, so that symmetry and stablizing of being connected.
The course of work of the utility model once is described below:
Before coiled tubing car 1 was tested, the gripper shoe 5 that will have telescopic outrigger 13 was fixedly connected through attachment bolt 4 with coiled tubing injection device 3.Band centre bore bolt 6 and the integral body of gripper shoe 5 for welding, band centre bore bolt 6 adopts the mode that is threaded with last umbrella cover 7, wherein is with centre bore bolt 6 to be processed into external screw thread 16, and last umbrella cover is an internal thread 19, mainly is to guarantee that centre bore is with the footpath.
Have an annular positioning groove 8 in the last umbrella cover 7, last umbrella cover and play umbrella cover 9 can utilize its tapering to carry out connecting from dynamic(al) correction, and last umbrella cover 7, time umbrella cover 8 have centre bore 18 and 24 respectively, are the passage of cross-under coiled tubing.After butt joint is accomplished, the spherical alignment pin 22 that following umbrella cover 9 is installed under the effect of spring 21 automatically screens in the annular positioning groove 8 of umbrella cover, play the effect of fixing and locating.
At the umbrella shape overcoat fixing pin 20 is installed; The diameter of spherical alignment pin 22 is less than the degree of depth of last umbrella cover cannelure 8; Can realize location and for convenience detach fast; The connection of following umbrella cover 9 and lubricator 10 is for being threaded, and its thread connecting mode is that the internal thread 19 of umbrella cover down and the external screw thread of lubricator are connected, and guarantees with one heart.
In addition, can also be provided with the metal ribs of projection on the taper inner concave of following umbrella cover 9, metal ribs can be arranged on the end of spring base hole 23, can reduce to go up umbrella cover 7 and the frictional force of following umbrella cover 9 in disconnecting process.
Coiled tubing injection device 3 is connected with coiled tubing car 1.In the whole test process; Continuously pipe through injection device 3 respectively via the centre bore 17 of bolt, go up umbrella cover centre bore 18, devices such as umbrella cover centre bore 24, lubricator 10 and preventer 11 down; Via in the target zone in the decentralized wellhead end opening well, accomplish production test again.The security risk that whole test process connects, convenient disassembly is quick, effectively reduced testing time and existence.
The utility model can be realized continuously rapid abutting joint, the dismounting of pipe and wellhead blowout preventer; In the last effect that also can play the protection blowout hookup when carrying coiled tubing; The security problems that has fundamentally solved time-consuming in the connection process in the past, effort and existed; This apparatus structure is simple, and is easy for installation, can reuse.
The above is merely the schematic specific embodiment of the utility model, is not in order to limit the scope of the utility model.For each ingredient of the utility model can make up under the condition of not conflicting each other; Any those skilled in the art; Equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (9)
1. a well head docking facilities that is used for the coiled tubing test is arranged between coiled tubing injection device and the lubricator, it is characterized in that, the said well head docking facilities that is used for the coiled tubing test comprises:
Liftably be arranged on the brace table on the work plane, be arranged on coiled tubing injection device below and be connected with said coiled tubing injection device;
Guiding mechanism is connected between said brace table and the lubricator;
Wherein, Said injection device, said brace table and said guiding mechanism and said lubricator are equipped with the through hole that coiled tubing passes through, and the through hole of said injection device through hole, said brace table through hole, said guiding mechanism and the through hole of said lubricator form the passage that coiled tubing passes through.
2. the well head docking facilities that is used for coiled tubing test as claimed in claim 1 is characterized in that, the said well head docking facilities that is used for the coiled tubing test also comprises: elevating mechanism is arranged on the work plane and with said brace table and is connected.
3. the well head docking facilities that is used for the coiled tubing test as claimed in claim 2 is characterized in that said elevating mechanism is leading screw pattern or fluid pressure type telescopic outrigger.
4. the well head docking facilities that is used for the coiled tubing test as claimed in claim 1; It is characterized in that; Said brace table comprises: the externally threaded bolt that has that is connected the gripper shoe of said injection device below and is connected said gripper shoe below, the through hole of said brace table comprises: the through hole of the said gripper shoe that is interconnected and the through hole of said bolt.
5. the well head docking facilities that is used for the coiled tubing test as claimed in claim 4; It is characterized in that; Said guiding mechanism comprises: go up umbrella cover and following umbrella cover, the said umbrella cover of going up is set in through being threaded outside the said bolt, and said umbrella cover down is connected with said lubricator; The through hole of said guiding mechanism comprises: said through hole and the said through hole of umbrella cover down of going up umbrella cover that is interconnected, said upward umbrella cover and the said tapering location of passing through between the umbrella cover down connect.
6. the well head docking facilities that is used for the coiled tubing test as claimed in claim 5; It is characterized in that; The said umbrella cover of going up has conical outer surface, and said subumbrella cover has the taper inner concave that matches with said conical outer surface, and the said outer rim of umbrella cover down is arranged on outside the outer rim of said upward umbrella cover.
7. the well head docking facilities that is used for the coiled tubing test as claimed in claim 5 is characterized in that, also is provided with locating slot on the conical outer surface of said last umbrella cover, also is provided with the spring holder that fastens in said locating slot in the said following umbrella cover.
8. the well head docking facilities that is used for the coiled tubing test as claimed in claim 7; It is characterized in that said spring holder comprises: be arranged in the said umbrella cover down and the spherical alignment pin that wears the spring of said taper inner concave and be arranged on said spring end.
9. the well head docking facilities that is used for the coiled tubing test as claimed in claim 5 is characterized in that the below of said lubricator is connected with preventer, and said umbrella cover down is enclosed within on the said lubricator through being spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202201562U CN202108500U (en) | 2011-06-27 | 2011-06-27 | Well mouth butt joint device for continuous oil pipe tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202201562U CN202108500U (en) | 2011-06-27 | 2011-06-27 | Well mouth butt joint device for continuous oil pipe tests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202108500U true CN202108500U (en) | 2012-01-11 |
Family
ID=45433936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202201562U Expired - Lifetime CN202108500U (en) | 2011-06-27 | 2011-06-27 | Well mouth butt joint device for continuous oil pipe tests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202108500U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278087A (en) * | 2011-06-27 | 2011-12-14 | 中国石油天然气股份有限公司 | Wellhead butt joint device used for continuous pipeline test |
| CN103726799A (en) * | 2012-10-15 | 2014-04-16 | 中国石油天然气集团公司 | Injection head mounting device and injection head mounting method |
| CN104912502A (en) * | 2014-03-12 | 2015-09-16 | 烟台中集来福士海洋工程有限公司 | Guide device |
| CN106150418A (en) * | 2015-04-13 | 2016-11-23 | 长春工业大学 | A kind of Wellhead butt joint device and docking calculation thereof |
-
2011
- 2011-06-27 CN CN2011202201562U patent/CN202108500U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278087A (en) * | 2011-06-27 | 2011-12-14 | 中国石油天然气股份有限公司 | Wellhead butt joint device used for continuous pipeline test |
| CN103726799A (en) * | 2012-10-15 | 2014-04-16 | 中国石油天然气集团公司 | Injection head mounting device and injection head mounting method |
| CN104912502A (en) * | 2014-03-12 | 2015-09-16 | 烟台中集来福士海洋工程有限公司 | Guide device |
| CN106150418A (en) * | 2015-04-13 | 2016-11-23 | 长春工业大学 | A kind of Wellhead butt joint device and docking calculation thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120111 Effective date of abandoning: 20131204 |
|
| RGAV | Abandon patent right to avoid regrant |