CN202788728U - Cup sealing device for pressure test of blowout preventers - Google Patents
Cup sealing device for pressure test of blowout preventers Download PDFInfo
- Publication number
- CN202788728U CN202788728U CN2012203484116U CN201220348411U CN202788728U CN 202788728 U CN202788728 U CN 202788728U CN 2012203484116 U CN2012203484116 U CN 2012203484116U CN 201220348411 U CN201220348411 U CN 201220348411U CN 202788728 U CN202788728 U CN 202788728U
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- leather cup
- adjusting screw
- cup
- pressure
- sealing
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Abstract
The utility model discloses a cup sealing device for pressure test of blowout preventers. The cup sealing device for pressure test of blowout preventers comprises an adjusting screw and a leather cup sleeved to the same. An upper joint is connected to the adjusting screw contained in an inner cavity of the leather cup and above the leather cup. The adjusting screw is adjusted to allow the upper joint to move up and down in the leather cup so that the leather cup is expanded to seal a casing. During sealing test after installation of well control devices such as a blowout preventer for workover treatment of oil, gas and water wells, a manual bar is rotated to seal a tubing-casing annulus. The cup sealing device is a mechanical cup sealing device, which is convenient for testing airtightness of the blowout preventer and a wellhead through manual pumps. The cup sealing device is safe, reliable, convenient, practical and highly worthy of popularization and application.
Description
Technical field
The utility model relates to and carries out Sealing Technology in the seal verification process after the well control device such as preventer is installed in the oil gas water well workover treatment, specifically a kind of hand lever that utilizes rotates, make the oil jacket annular space realize sealing, be convenient to the mechanical leather cup seal apparatus of manual pump pressurization checking preventer and wellhead sealing performance.
Background technology
In the oil gas water well workover treatment process, the well control devices such as preventer must be installed." oil gas water well underground work well control tecnical regulations " regulation: after well control device is installed, can construct through pressure testing is qualified.Preventer and testing pressure of well head adopt the mode of pump truck pressure testing usually, and at present, the problem that cementing truck testing pressure of well head method exists has: 1. pressure testing needs cementing truck, tank car to cooperate, and average individual well testing pressure of well head cost is high; 2. the testing pressure of well head instrument is large, and the twin-stage leather cup is adopted in the leather cup design, and intensity is large, and external diameter is large, and is easily aging, the difficulty of going into the well; 3. usually use 400 type cementing trucks during pressure testing, because discharge capacity is large, the well head volume is little, and instantaneous pump pressure reaches 30MPa sometimes, has potential safety hazard; 4. required must preventer to be installed before the lower tubular column according to well control and pressure testing qualified, in the situation that cementing truck equipment can not get ensureing, the shut-down phenomenon appears.
In view of this, for the problems referred to above, propose a kind of reasonable in design and effectively improve the blowout preventer pressure-testing sealing cup seal apparatus of above-mentioned disappearance.The leather cup seal apparatus of this manual Seal Oil cover annular space utilizes Manual pressure test pump, realizes preventer half envelope, the complete manual pressure-measuring method of " low " cost of envelope and well head, can effectively save operating cost, shortens duty cycle.
Summary of the invention
The purpose of this utility model is to provide a kind of blowout preventer pressure-testing sealing cup seal apparatus, being widely used in the oil gas water well workover treatment installs in the well control device process such as preventer, carry out seal verification, by Manual pressure test pump place of cement car, realize manual pressure testing overall process.
In order to reach above-mentioned purpose, the utility model provides a kind of blowout preventer pressure-testing sealing cup seal apparatus, comprise adjusting screw and be socketed in leather cup on the adjusting screw, rotaryly on the adjusting screw that described leather cup inner chamber and top comprise be connected with top connection, described top connection moves up and down in leather cup by the rotation of adjusting screw, thereby the expansion leather cup is realized Sealed casing pipe.
Between socket-connecting, described leather cup and adjusting screw also be provided with the sealing shroud that is enclosed within the adjusting screw periphery, described leather cup arranged outside is useful on leather cup is fixed on leather cup pressure ring on the sealing shroud, going back rotation set on the sealing shroud of described leather cup pressure ring below has pressure cap, and described pressure cap is fixed on the sealing shroud by fluting cone end screw.
Be provided with the 〇 RunddichtringO between described leather cup and the leather cup pressure ring, be provided with the 〇 RunddichtringO between described sealing shroud and the adjusting screw.
Described top connection inside also is provided with the screw thread of connecting band eyelet tubing nipple except being provided with the screw thread of screwing on adjusting screw; Described adjusting screw upper end is connected to the adjusting joint of manual adjustment rod lower end.
Described adjusting screw upper end arranges the tetragonal body projection, offers the tetragonal body groove on the described adjusting joint, and described tetragonal body projection places the tetragonal body groove to form rotation and regulates.
Compared to prior art, the utility model is used for carrying out the seal verification process after the well control device such as preventer is installed in the oil gas water well workover treatment, utilize the hand lever rotation, make the oil jacket annular space realize sealing, be convenient to the mechanical leather cup seal apparatus of manual pump pressurization checking preventer and wellhead sealing performance.
The utility model is according to pipe string combination (from bottom to top): leather cup seals+is with eyelet pipe nipple+tubing hanger+lifting sub G.I.H, utilizes manual adjustment rod forward adjusting screw, makes top connection expansion leather cup packing element, Seal Oil cover annular space; Unload lifting sub, close full envelope, by the Manual pressure test pump splicing sleeve, manually suppress, realize the full envelope of preventer and testing pressure of well head.Manual pressure test pump connecting band eyelet lifting sub is closed half envelope, manually suppresses and realizes that preventer partly seals pressure testing.The advantage of this device is: 1. the leather cup packing element has been used for reference shape, performance and the principle of Y531 fracturing packer sealing cup, and sealing performance is high, and job safety is reliable; 2. leather cup packing element external diameter is little, is convenient to G.I.H, utilizes the manual adjustment rod governor motion, and feeding is even, flexible to operation, is convenient to Seal Oil cover annular space; 3. use material to be ZG35CrMo on the Selection of steel, had enough intensity and sealing performance; 4. by Seal Oil cover annular space of the present invention, the annular space space is airtight, is convenient to the pressure testing of Manual pressure test pump pump liquid, operates faster convenience.
This device can be widely used in the oil gas water well workover treatment to be installed in the well control device process such as preventer, carries out seal verification, by Manual pressure test pump place of cement car, realizes manual pressure testing overall process.Equipment safety is reliable, and is convenient and practical, has higher application value.
Description of drawings
Fig. 1 is the structural representation of a kind of blowout preventer pressure-testing sealing cup of the utility model seal apparatus;
Fig. 2 is the structural representation of the manual adjustment rod of a kind of blowout preventer pressure-testing sealing cup of the utility model seal apparatus;
Fig. 3 and Fig. 4 are for being a kind of blowout preventer pressure-testing sealing cup of the utility model seal apparatus different conditions figure in use.
Among the figure: 1-top connection; 2-adjusting screw; 3-leather cup; 4--sealing shroud; 5-〇 RunddichtringO; 6-leather cup pressure ring; 7-〇 RunddichtringO; 8-fluting cone end screw; 9-pressure cap 1; 10-pressure cap 2; 11-fluting cone end screw; 12-manual adjustment rod; 13-adjusting joint; 14-double ram type preventer; 15-big four and sleeve gate; 16-casing nipple; 17-sleeve pipe; 18-boll-weevil hanger; 19-perforated tubing pipe nipple.
The specific embodiment
Relevant detailed description of the present utility model and technology contents cooperate description of drawings as follows, yet accompanying drawing only provides the usefulness of reference with explanation, and the utility model is limited.
According to illustrated in figures 1 and 2, a kind of blowout preventer pressure-testing sealing cup seal apparatus, comprise adjusting screw 2 and be socketed in leather cup 3 on the adjusting screw, rotaryly on the adjusting screw that described leather cup inner chamber and top comprise be connected with top connection 1, thereby the rotation of described top connection by adjusting screw moves up and down inside and outside leather cup and forms rotatory sealing with leather cup.According to Fig. 3, be followed successively by sleeve pipe 17 and the casing nipple 16 of double ram type preventer 14 in the adjusting screw periphery.
Between socket-connecting, described leather cup and adjusting screw also be provided with the sealing shroud 4 that is enclosed within the adjusting screw periphery, described leather cup arranged outside is useful on leather cup is fixed on leather cup pressure ring 6 on the sealing shroud, going back rotation set on the sealing shroud of described leather cup pressure ring below has pressure cap 9, and described pressure cap is fixed on the sealing shroud by fluting cone end screw 8.Be provided with 〇 RunddichtringO 7 between described leather cup and the leather cup pressure ring, be provided with 〇 RunddichtringO 5 between described sealing shroud and the adjusting screw.
Described top connection inside also is provided with the screw thread of connecting band eyelet tubing nipple 19 except being provided with the screw thread of screwing on adjusting screw; Described adjusting screw upper end is connected to the adjusting joint 13 of manual adjustment rod 12 lower ends.Described adjusting screw upper end arranges the tetragonal body projection, offers the tetragonal body groove on the described adjusting joint, and described tetragonal body projection places the tetragonal body groove to form rotation and regulates.According to Fig. 3, be positioned at boll-weevil hanger 18 places of double ram type preventer 14 in the upper end of manual adjustment rod 12, boll-weevil hanger connects big four and sleeve gate 15.
Referring to Fig. 3, the course of work of the present utility model is such: top connection 1 is rotated to installing the top, according to pipe string combination (from bottom to top): leather cup seals+is with eyelet pipe nipple+tubing hanger+lifting sub G.I.H, is seated at large four barrel 15 of well head, holds out against four jackscrews.Utilize in manual adjustment rod 12 running strings, dock with adjusting screw 2 by the d25mm four directions endoporus of regulating joint 13, forward adjusting screw 2 makes top connection 1 enter leather cup 3, thus expansion leather cup packing element, Seal Oil cover annular space.Take out manual adjustment rod 12, unload lifting sub, close full envelope, by the Manual pressure test pump splicing sleeve, manually suppress, realize the full envelope of preventer and testing pressure of well head.Manual pressure test pump connecting band eyelet lifting sub is closed half envelope, manually suppresses and realizes that preventer partly seals pressure testing.Pressure testing is complete opens preventer 14 flashboards by the release of Manual pressure test pump pressure-relief valve, and by manual adjustment rod 12 counter-rotating adjusting screws 2, leather cup envelope 3 is withdrawed from top connection 1, trips out tubing string again, and manually pressure testing is complete.
The above only is preferred embodiment of the present utility model, and non-in order to limit claim of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to claim of the present utility model.
Claims (5)
1. blowout preventer pressure-testing sealing cup seal apparatus, it is characterized in that, comprise adjusting screw and be socketed in leather cup on the adjusting screw, rotaryly on the adjusting screw that described leather cup inner chamber and top comprise be connected with top connection, described top connection moves up and down in leather cup by the rotation of adjusting screw.
2. a kind of blowout preventer pressure-testing sealing cup seal apparatus according to claim 1, it is characterized in that, between socket-connecting, described leather cup and adjusting screw also be provided with the sealing shroud that is enclosed within the adjusting screw periphery, described leather cup arranged outside is useful on leather cup is fixed on leather cup pressure ring on the sealing shroud, going back rotation set on the sealing shroud of described leather cup pressure ring below has pressure cap, and described pressure cap is fixed on the sealing shroud by fluting cone end screw.
3. a kind of blowout preventer pressure-testing sealing cup seal apparatus according to claim 2 is characterized in that, is provided with the 〇 RunddichtringO between described leather cup and the leather cup pressure ring, is provided with the 〇 RunddichtringO between described sealing shroud and the adjusting screw.
4. a kind of blowout preventer pressure-testing sealing cup seal apparatus according to claim 1 is characterized in that described top connection inside also is provided with the screw thread of connecting band eyelet tubing nipple except being provided with the screw thread of screwing on adjusting screw; Described adjusting screw upper end is connected to the adjusting joint of manual adjustment rod lower end.
5. a kind of blowout preventer pressure-testing sealing cup seal apparatus according to claim 4, it is characterized in that, described adjusting screw upper end arranges the tetragonal body projection, offers the tetragonal body groove on the described adjusting joint, and described tetragonal body projection places the tetragonal body groove to form rotation and regulates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203484116U CN202788728U (en) | 2012-07-18 | 2012-07-18 | Cup sealing device for pressure test of blowout preventers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203484116U CN202788728U (en) | 2012-07-18 | 2012-07-18 | Cup sealing device for pressure test of blowout preventers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202788728U true CN202788728U (en) | 2013-03-13 |
Family
ID=47816004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203484116U Withdrawn - After Issue CN202788728U (en) | 2012-07-18 | 2012-07-18 | Cup sealing device for pressure test of blowout preventers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202788728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573205A (en) * | 2012-07-18 | 2014-02-12 | 中国石油化工股份有限公司 | Sealing cup packer for pressure testing of blowout preventer |
| CN110056325A (en) * | 2019-03-21 | 2019-07-26 | 中国石油化工股份有限公司 | The pressure testing device and its pressure-measuring method of sucker rod pumping well wellhead installation |
-
2012
- 2012-07-18 CN CN2012203484116U patent/CN202788728U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573205A (en) * | 2012-07-18 | 2014-02-12 | 中国石油化工股份有限公司 | Sealing cup packer for pressure testing of blowout preventer |
| CN103573205B (en) * | 2012-07-18 | 2015-12-09 | 中国石油化工股份有限公司 | A kind of blowout preventer pressure-testing sealing cup seal apparatus |
| CN110056325A (en) * | 2019-03-21 | 2019-07-26 | 中国石油化工股份有限公司 | The pressure testing device and its pressure-measuring method of sucker rod pumping well wellhead installation |
| CN110056325B (en) * | 2019-03-21 | 2021-04-20 | 中国石油化工股份有限公司 | Pressure testing device and method for sucker rod pump oil production well mouth facility |
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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: 20130313 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |