CN205445558U - Novel double pump technology tubular column in pit - Google Patents
Novel double pump technology tubular column in pit Download PDFInfo
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- CN205445558U CN205445558U CN201620176010.5U CN201620176010U CN205445558U CN 205445558 U CN205445558 U CN 205445558U CN 201620176010 U CN201620176010 U CN 201620176010U CN 205445558 U CN205445558 U CN 205445558U
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- shaped connector
- submersible pump
- packer
- seating nipple
- oil pipe
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Abstract
The utility model discloses a novel double pump technology tubular column in pit, including sleeve pipe, top packer and bottom packer, the sleeve pipe top is provided with the sub -unit connection has oil pipe's oil pipe to hang, oil pipe connections in seating nipple, goes up Y and connects, goes up Y and connect seating nipple down, go up the Y articulate on Y connect the single current valve, go up electrical submersible pump pump single current valve and go up the electrical submersible pump pump assembly, go up Y and connect down that the seating nipple is connected with down electrical submersible pump pump single current valve and lower electrical submersible pump pump assembly, in oil pipe connection seating nipple, go up Y and connect, go up Y and connect seating nipple down, go up the Y articulate on Y connect the single current valve, go up electrical submersible pump pump single current valve and go up the electrical submersible pump pump assembly, go up Y connect down the seating nipple be connected with down Y connect, down Y connect down that seating nipple, sliding sleeve, location are sealed, the production sliding sleeve, insert sealedly and the plug, Y connects single current valve, electrical submersible pump pump single current valve and lower electrical submersible pump pump assembly down under the lower Y articulate. The utility model discloses can effectively reduce the well workover number of times, and the construction is simple, is suitable for marine no workover rig platform.
Description
Technical field
This utility model relates to electric submersible pumping technique, in particular, relates to a kind of Novel down-hole two-pump process tubing string.
Background technology
Offshore platform cost of winning is high, for reducing development cost, use without workover rig platform, the one pump one-well two-pump technique tubing string for such well development.Such pump one-well two-pump technique tubing string needs to put into special blanking plug when setting cable-passing packer and realizes it set with being located in joint sealing and coordinating；If upper Y-shaped connector and electric pump unit junction ball-and-seat lost efficacy in production, it is impossible to the sealing problem of electric pump unit passage in solution.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, a kind of Novel down-hole two-pump process tubing string is provided, by rational electric pump working system, improve total effective run time of full depth well pump system, can effectively reduce the features such as well workover number of times, and simple, the easy construction of construction safety reliability height, strong operability, operation.
The purpose of this utility model is achieved through the following technical solutions.
A kind of Novel down-hole two-pump process tubing string, including sleeve pipe, it is arranged at top packer and the bottom packer of sleeve bottom, it is provided with screen casing between described top packer and bottom packer, described cannula tip is provided with bottom and connects the tubing hanger having oil pipe, described oil pipe top is provided with storm valve, connect in the middle part of described oil pipe and have cable-passing packer, described oil pipe lower end is connected with seating nipple in turn, upper Y-shaped connector, seating nipple under upper Y-shaped connector, described upper Y-shaped connector another port is connected with Y-shaped connector ball-and-seat in turn, upper electric submersible pump ball-and-seat and the latent pump assembly that powers on, under described upper Y-shaped connector, seating nipple lower end connects lower electric submersible pump ball-and-seat and lower electric submersible pump unit.
The purpose of this utility model realizes also by techniques below scheme.
nullA kind of Novel down-hole two-pump process tubing string,Including sleeve pipe、It is arranged at top packer and the bottom packer of sleeve bottom，It is provided with screen casing between described top packer and bottom packer，Described cannula tip is provided with bottom and connects the tubing hanger having oil pipe，Described oil pipe top is provided with storm valve，Connect in the middle part of described oil pipe and have cable-passing packer，Described oil pipe lower end is connected with seating nipple in turn、Upper Y-shaped connector、Seating nipple under upper Y-shaped connector，Described upper Y-shaped connector another port is connected with Y-shaped connector ball-and-seat in turn、Upper electric submersible pump ball-and-seat and the latent pump assembly that powers on，Under described upper Y-shaped connector, seating nipple lower end is connected with lower Y-shaped connector in turn、Seating nipple under lower Y-shaped connector、Sliding sleeve、Location sealing、Produce sliding sleeve、Insert and seal and plug，Described lower Y-shaped connector another port is connected with lower Y-shaped connector ball-and-seat in turn、Lower electric submersible pump ball-and-seat and lower electric submersible pump unit，It is provided with isolation packer between described top packer and bottom packer.
Described power on latent pump assembly and lower electric submersible pump unit is connected to independent cable.
Described power on latent pump assembly and lower electric submersible pump unit is arranged at the same side in sleeve pipe.
Compared with prior art, the technical solution of the utility model is had the benefit that
(1) in this utility model, without putting into special blanking plug when setting cable-passing packer, only need to be suppressed by oil pipe and can realize it and set；
(2) in this utility model, oil pipe lower end is connected with seating nipple under seating nipple, upper Y-shaped connector, upper Y-shaped connector, lower electric submersible pump ball-and-seat and lower electric submersible pump unit in turn, upper Y-shaped connector another port is connected with Y-shaped connector ball-and-seat, upper electric submersible pump ball-and-seat and the latent pump assembly that powers in turn, in production operation, if lower electric submersible pump ball-and-seat lost efficacy, coordinate with seating nipple under upper Y-shaped connector, by the pathway closure of lower electric submersible pump unit by putting into blanking plug, it is ensured that the normal production of the latent pump assembly that powers on；If upper electric submersible pump ball-and-seat lost efficacy, coordinate, by the pathway closure of latent pump assembly that powers on seating nipple under upper seating nipple and upper Y-shaped connector by putting into separation sleeve, it is ensured that the normal production of lower electric submersible pump unit；
(3) in this utility model, oil pipe lower end is connected with seating nipple in turn, upper Y-shaped connector, seating nipple under upper Y-shaped connector, lower Y-shaped connector, seating nipple under lower Y-shaped connector, sliding sleeve, location sealing, produce sliding sleeve, insert and seal and plug, upper Y-shaped connector another port is connected with Y-shaped connector ball-and-seat in turn, upper electric submersible pump ball-and-seat and the latent pump assembly that powers on, lower Y-shaped connector another port is connected with lower Y-shaped connector ball-and-seat in turn, lower electric submersible pump ball-and-seat and lower electric submersible pump unit, in production operation, if lower Y-shaped connector ball-and-seat and lower electric submersible pump ball-and-seat lost efficacy, coordinate with seating nipple under upper Y-shaped connector by putting into blanking plug, pathway closure by lower electric submersible pump unit, ensure that the properly functioning of latent pump assembly that power on；If upper Y-shaped connector ball-and-seat and upper electric submersible pump ball-and-seat lost efficacy, coordinate, by the pathway closure of latent pump assembly that powers on seating nipple under upper seating nipple and upper Y-shaped connector by putting into separation sleeve, it is ensured that the normal production of lower electric submersible pump unit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of another embodiment of this utility model.
Reference: 1 sleeve pipe；2 top packers；3 isolation packers；Packer bottom 4；5 screen casings；6 tubing hangers；7 oil pipes；8 cables；9 storm valves；10 cable-passing packers；Seating nipple on 11；Y-shaped connector on 12；Seating nipple under Y-shaped connector on 13；Y-shaped connector ball-and-seat on 14；Electric submersible pump ball-and-seat on 15；16 power on latent pump assembly；17 times Y-shaped connectors；Seating nipple under 18 times Y-shaped connectors；19 times Y-shaped connector ball-and-seats；20 times electric submersible pump ball-and-seats；21 times electric submersible pump units；22 sliding sleeves；23 location sealings；24 produce sliding sleeve；25 insert sealing；26 plugs.
Detailed description of the invention
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of Novel down-hole two-pump process tubing string, including sleeve pipe 1, it is arranged at the top packer 2 bottom sleeve pipe 1 and bottom packer 4, it is provided with screen casing 5 between described top packer 2 and bottom packer 4, described sleeve pipe 1 top is provided with bottom and connects the tubing hanger 6 having oil pipe 7, described oil pipe 7 top is provided with storm valve 9, connect in the middle part of described oil pipe 7 and have cable-passing packer 10, described oil pipe 7 lower end is connected with seating nipple 11 in turn, upper Y-shaped connector 12, seating nipple 13 under upper Y-shaped connector, lower electric submersible pump ball-and-seat 20 and lower electric submersible pump unit 21, described upper Y-shaped connector 12 another port is connected with Y-shaped connector ball-and-seat 14 in turn, upper electric submersible pump ball-and-seat 15 and the latent pump assembly 16 that powers on.Described power on latent pump assembly 16 and lower electric submersible pump unit 21 is connected to independent cable 8, individually power supply and controlling.Described power on latent pump assembly 16 and lower electric submersible pump unit 21 is connected to two ports of Y-shaped connector 12.
After this utility model is lowered into position, being suppressed by oil pipe 7 and set cable-passing packer 10, complete cable-passing packer 10 sets operation, it is possible to resume production.When the latent pump assembly 16 that powers on is in production status, if the situation that lower electric submersible pump ball-and-seat 20 lost efficacy occurs, coordinate with seating nipple 13 under upper Y-shaped connector, by the pathway closure of lower electric submersible pump unit 21 now by putting into blanking plug, it is possible to ensure to power on the properly functioning of latent pump assembly 16.Instantly when electric submersible pump unit 21 produces, if the situation that in appearance, electric submersible pump ball-and-seat 15 lost efficacy, coordinate with seating nipple 13 sealing under upper seating nipple 11 and upper Y-shaped connector by putting into separation sleeve, it is achieved the closedown of latent pump assembly 16 passage that powers on, it is ensured that lower electric submersible pump unit 21 properly functioning.
nullAs shown in Figure 2，A kind of Novel down-hole two-pump process tubing string,Including sleeve pipe 1、It is arranged at the top packer 2 bottom sleeve pipe 1 and bottom packer 4，It is provided with screen casing 5 between described top packer 2 and bottom packer 4，Described sleeve pipe 1 top is provided with bottom and connects the tubing hanger 6 having oil pipe 7，Described oil pipe 7 top is provided with storm valve 9，Connect in the middle part of described oil pipe 7 and have cable-passing packer 10，Described oil pipe 7 lower end is connected with seating nipple 11 in turn、Upper Y-shaped connector 12、Seating nipple 13 under upper Y-shaped connector、Lower Y-shaped connector 17、Seating nipple 18 under lower Y-shaped connector、Sliding sleeve 22、Location sealing 23、Produce sliding sleeve 24、Insert sealing 25 and plug 26，Described upper Y-shaped connector 12 another port is connected with Y-shaped connector ball-and-seat 14 in turn、Upper electric submersible pump ball-and-seat 15 and the latent pump assembly 16 that powers on，Described lower Y-shaped connector 17 another port is connected with lower Y-shaped connector ball-and-seat 19 in turn、Lower electric submersible pump ball-and-seat 20 and lower electric submersible pump unit 21.It is provided with between described top packer 2 and bottom packer 4 and seals 25 isolation packers 3 matched with inserting.Described power on latent pump assembly 16 and lower electric submersible pump unit 21 is connected to independent cable 8, individually power supply and controlling.Described power on latent pump assembly 16 and lower electric submersible pump unit 21 is arranged at the same side in sleeve pipe 1.Described sleeve pipe 1 inner tube string is coordinated with sleeve pipe 1 by location sealing 23.
After this utility model is lowered into position, coordinating with seating nipple 18 sealing under lower Y-shaped connector by putting into blanking plug, then pass through oil pipe 7 and suppress and set cable-passing packer 10, complete cable-passing packer 10 sets operation, it is possible to resume production.When being in the latent pump assembly 16 that powers on and producing, if the situation that lower Y-shaped connector ball-and-seat 19 and lower electric submersible pump ball-and-seat 20 lost efficacy occurs simultaneously, coordinate with seating nipple 13 under upper Y-shaped connector now by putting into blanking plug, pathway closure by lower electric submersible pump unit 21, it is possible to ensure to power on the properly functioning of latent pump assembly 16.Instantly when electric submersible pump unit 21 produces, if the situation that in appearance, Y-shaped connector ball-and-seat 14 and upper electric submersible pump ball-and-seat 15 lost efficacy simultaneously, coordinate with seating nipple 13 sealing under upper seating nipple 11 and upper Y-shaped connector by putting into separation sleeve, realize powering on the closedown of latent pump assembly 21 passage, it is ensured that lower electric submersible pump unit 21 properly functioning.
Although function of the present utility model and work process being described above in conjunction with accompanying drawing; but this utility model is not limited to above-mentioned concrete function and work process; above-mentioned detailed description of the invention is only schematically; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; in the case of without departing from this utility model objective and scope of the claimed protection, it is also possible to make a lot of form, within these belong to protection of the present utility model.
Claims (4)
1. a Novel down-hole two-pump process tubing string, including sleeve pipe, it is arranged at top packer and the bottom packer of sleeve bottom, it is provided with screen casing between described top packer and bottom packer, described cannula tip is provided with bottom and connects the tubing hanger having oil pipe, described oil pipe top is provided with storm valve, connect in the middle part of described oil pipe and have cable-passing packer, it is characterized in that, described oil pipe lower end is connected with seating nipple in turn, upper Y-shaped connector, seating nipple under upper Y-shaped connector, described upper Y-shaped connector another port is connected with Y-shaped connector ball-and-seat in turn, upper electric submersible pump ball-and-seat and the latent pump assembly that powers on, under described upper Y-shaped connector, seating nipple lower end connects lower electric submersible pump ball-and-seat and lower electric submersible pump unit.
null2. a Novel down-hole two-pump process tubing string,Including sleeve pipe、It is arranged at top packer and the bottom packer of sleeve bottom，It is provided with screen casing between described top packer and bottom packer，Described cannula tip is provided with bottom and connects the tubing hanger having oil pipe，Described oil pipe top is provided with storm valve，Connect in the middle part of described oil pipe and have cable-passing packer，It is characterized in that，Described oil pipe lower end is connected with seating nipple in turn、Upper Y-shaped connector、Seating nipple under upper Y-shaped connector，Described upper Y-shaped connector another port is connected with Y-shaped connector ball-and-seat in turn、Upper electric submersible pump ball-and-seat and the latent pump assembly that powers on，Under described upper Y-shaped connector, seating nipple lower end is connected with lower Y-shaped connector in turn、Seating nipple under lower Y-shaped connector、Sliding sleeve、Location sealing、Produce sliding sleeve、Insert and seal and plug，Described lower Y-shaped connector another port is connected with lower Y-shaped connector ball-and-seat in turn、Lower electric submersible pump ball-and-seat and lower electric submersible pump unit，It is provided with isolation packer between described top packer and bottom packer.
3. according to the Novel down-hole two-pump process tubing string described in the claims 1 or claim 2, it is characterised in that described in power on latent pump assembly and lower electric submersible pump unit is connected to independent cable.
Novel down-hole two-pump process tubing string the most according to claim 2, it is characterised in that described in power on latent pump assembly and lower electric submersible pump unit is arranged at the same side in sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176010.5U CN205445558U (en) | 2016-03-08 | 2016-03-08 | Novel double pump technology tubular column in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176010.5U CN205445558U (en) | 2016-03-08 | 2016-03-08 | Novel double pump technology tubular column in pit |
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| Publication Number | Publication Date |
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| CN205445558U true CN205445558U (en) | 2016-08-10 |
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| CN201620176010.5U Active CN205445558U (en) | 2016-03-08 | 2016-03-08 | Novel double pump technology tubular column in pit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640026A (en) * | 2016-12-14 | 2017-05-10 | 中国海洋石油总公司 | Pressure control type intelligent production pipe column capable of injecting acid by layer selection and production method |
| CN106703763A (en) * | 2017-01-04 | 2017-05-24 | 中国海洋石油总公司 | Intelligent layered mining system applicable to offshore oilfield sand control well completion |
| CN106761604A (en) * | 2016-12-27 | 2017-05-31 | 中国海洋石油总公司 | A kind of high angle hole intelligence separate-layer production string and its operational method |
| CN107476785A (en) * | 2017-09-29 | 2017-12-15 | 中国海洋石油总公司 | A kind of closed flow string of the double submersible electric pumps of Oil/gas Well series connection |
-
2016
- 2016-03-08 CN CN201620176010.5U patent/CN205445558U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640026A (en) * | 2016-12-14 | 2017-05-10 | 中国海洋石油总公司 | Pressure control type intelligent production pipe column capable of injecting acid by layer selection and production method |
| CN106640026B (en) * | 2016-12-14 | 2019-08-16 | 中国海洋石油集团有限公司 | A kind of pressure-controlled intelligent flow string and production method of optional layer acid filling |
| CN106761604A (en) * | 2016-12-27 | 2017-05-31 | 中国海洋石油总公司 | A kind of high angle hole intelligence separate-layer production string and its operational method |
| CN106761604B (en) * | 2016-12-27 | 2019-03-22 | 中国海洋石油总公司 | A kind of high angle hole intelligence separate-layer production string and its operational method |
| CN106703763A (en) * | 2017-01-04 | 2017-05-24 | 中国海洋石油总公司 | Intelligent layered mining system applicable to offshore oilfield sand control well completion |
| CN107476785A (en) * | 2017-09-29 | 2017-12-15 | 中国海洋石油总公司 | A kind of closed flow string of the double submersible electric pumps of Oil/gas Well series connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC Energy Development Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder |