CN205025426U - Horizontal well bridging plug is sat and is tested integrated technology tubular column - Google Patents
Horizontal well bridging plug is sat and is tested integrated technology tubular column Download PDFInfo
- Publication number
- CN205025426U CN205025426U CN201520702546.1U CN201520702546U CN205025426U CN 205025426 U CN205025426 U CN 205025426U CN 201520702546 U CN201520702546 U CN 201520702546U CN 205025426 U CN205025426 U CN 205025426U
- Authority
- CN
- China
- Prior art keywords
- packer
- bridging plug
- sat
- oil pipe
- horizontal well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a horizontal well bridging plug is sat and is tested integrated technology tubular column, including oil pipe, bridging plug, setting tool, seat sealing ball seat, packer, centralizer, safety joint, oil pipe's one end and packer are connected, the packer pass through tubing nipple with the setting tool and be connected, the other end of setting tool be connected with the bridging plug, safety joint and centralizer cover establish and be close to one of packer at oil pipe and serve, the centralizer be located between safety joint and the packer, the seat sealing ball seat suppress in tubing nipple, can realize boring for one time the seat of accomplishing the bridging plug seals and tests and seal to save the time limit for a project, reduced the work load of running the drilling tool into the well.
Description
Technical field
The utility model relates to field of petroleum exploitation, is specifically related to be applicable to oilfield horizontal well, the old well bridging plug of directional well, permanent packer etc. and sets, tests integral process tubing string and the method for altering, can realize having bored setting and testing envelope of bridging plug for one time.
Background technology
Horizontal well production technology starts from the eighties in 20th century, is mainly used in improving oil and gas production and the rate of oil and gas recovery in oil field development.Along with the continuous intensification that development and the people of industrial technology are familiar with horizontal wells technology, receive extensive attention with horizontal well development oil field.Horizontal well is that hole angle reaches or close to 90 degree, well bore creeps into the well of certain length along horizontal direction.A kind of horizontal well tubing string that current horizontal well is as shown in Figure 1 conventional, it comprises peupendicular hole section 100 and net horizontal section 200.Described peupendicular hole section 100 is hole angle with the angle of described net horizontal section 200.Described peupendicular hole section 100 is provided with sleeve pipe, and described inside pipe casing is provided with the pumping pipe string for pumping.Described net horizontal section 200 is provided with screen casing, and one end that described screen casing is connected with described sleeve pipe is the heel position 202 of net horizontal section, and the other end that described screen casing gos deep into oil reservoir is the tiptoe position 203 of net horizontal section.Described screen casing is provided with sieve aperture 201, and it is inner that crude oil can enter into described screen casing by oil reservoir through described sieve aperture 201, when the crude oil in described screen casing enters into a certain amount of, then has the pumping pipe string in described sleeve pipe by described oil extraction to ground;
Preset bridging plug is in the wellbore needed in various old well operations, the general bridging plug of existence due to upper strata perforation sets and test envelope needs separate operation, namely enter and set to give up under a drilling tool carries out bridging plug, trip out this drilling tool, then under enter bridging plug with packer and test envelope drilling tool and carry out testing envelope.Due to separately operation, not only delay the duration, and add the workload that makes a trip.
Utility model content
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of realization to bore setting and testing envelope of bridging plug for one time, is applicable to oilfield horizontal well, the old well bridging plug of directional well, permanent packer etc. and sets, tests and alter integral process tubing string and method.
In order to achieve the above object, the technical scheme that the utility model is taked is: a kind of bridge plug for horizontal well is sat and tested integral process tubing string, comprises the oil pipe put in sleeve pipe; The horizontal segment of described oil pipe is connected with a packer, this packer is connected with setting tool by tubing nipple, the other end of described setting tool is connected with bridging plug, described oil pipe horizontal segment is arranged with safety joint on packer one end, and described safety joint is positioned at the left end with packer, suppressed setting ball seat and expansion loop in described tubing nipple, and described expansion loop is positioned at the right-hand member of setting ball seat.
Also be provided with choke valve in described tubing nipple, and this choke valve is positioned at the left end of setting ball seat.
Described described oil pipe horizontal segment is also arranged with centralizer on packer one end, and this centralizer is between safety joint and packer.
Described bridging plug replaces with permanent packer.
What described packer adopted is K type packer.
The chock pressure difference of described choke valve is greater than the setting pressure of packer.
The utility model adopts above technical scheme, has the following advantages, and can realize having bored setting and testing envelope of bridging plug for one time, and saves the duration, decreases the workload that makes a trip.
Accompanying drawing explanation
Fig. 1: structural representation of the present utility model.
In figure: 1, bridging plug; 2, setting tool; 3, expansion loop; 4, setting ball seat; 5, choke valve; 6, packer; 7, centralizer; 8, safety joint; 9, oil pipe; 10, sleeve pipe; 11, tubing nipple.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
Embodiment 1
As shown in Figure 1, a kind of bridge plug for horizontal well sets, test and alter integral process tubing string, comprises oil pipe 9, bridging plug (permanent packer) 1, setting tool 2, setting ball seat 4, packer 6, centralizer 7, safety joint 8;
One end of described oil pipe 10 is connected with packer 6, described packer 6 is connected by tubing nipple 11 with setting tool 2, the other end of described setting tool 2 is connected with bridging plug 1, described safety joint 8 and centralizer 7 are set in oil pipe 9 on one end of packer 6, described centralizer 7 is between safety joint 8 and packer 6, and described setting ball seat 4 is suppressed in tubing nipple 11.
At work, there is the setting ball seat 4 of steel ball from oil pipe 9 dosing, and carry out pumping, continue to suppress to more than 10MPa after pressure increase, packer 6 is set completely, continues to suppress to 15MPa, voltage stabilizing 5-10 minute, observe well head pressure, continue to suppress to 20MPa as pressure does not fall, after bridging plug 1 is completely setting, voltage stabilizing 5-10 minute, pressure does not fall, and bridging plug 1 sets intact, tests involution lattice, otherwise it is defective to test envelope; From oil pipe 9 release, packer 6 deblocking after oil pipe 9 and sleeve pipe 10 pressure balance, above mentions drilling tool, namely completes whole bridging plug and sets and test envelope step.Packer 6 pairs of bridging plugs or permanent packer 1 test envelope.
Embodiment 2
On the basis of embodiment 1, in described tubing nipple 11, be also provided with choke valve 5, and this choke valve 5 is positioned at the left end of setting ball seat 4; Also be provided with expansion loop 3 in described tubing nipple 11, and this expansion loop 3 is positioned at the right-hand member of setting ball seat 4.In the process of work, there is the setting ball seat 4 of steel ball from oil pipe 9 dosing, and carry out pumping, continue to suppress to more than 10MPa after pressure increase, packer 6 is set completely, continues to suppress to 15MPa, voltage stabilizing 5-10 minute, observe well head pressure, continue to suppress to 20MPa as pressure does not fall, after bridging plug 1 is completely setting, voltage stabilizing 5-10 minute, pressure does not fall, and bridging plug 1 sets intact, tests involution lattice, otherwise it is defective to test envelope; From oil pipe 9 release, packer 6 deblocking after oil pipe 9 and sleeve pipe 10 pressure balance, above mentions drilling tool, namely completes whole bridging plug and sets and test envelope step.Packer 6 pairs of bridging plugs or permanent packer 1 test envelope, and when suppressing in process, as pressure transient is regulated by the pressure in choke valve 5 pairs of tubing strings, expansion loop 3 is for compensating pressure.
Embodiment 3
On the basis of embodiment 1, what described packer 6 adopted is K344 type packer, the setting ball seat used 4 cores are destroyed pressure and are greater than and test seal pressure, in the process of work, the setting ball seat 4 of steel ball is had from oil pipe 9 dosing, and carry out pumping, continue to suppress to more than 10MPa after pressure increase, packer 6 is set completely, continue to suppress to 15MPa, voltage stabilizing 5-10 minute, observe well head pressure, continue to suppress to 20MPa as pressure does not fall, after bridging plug 1 is completely setting, voltage stabilizing 5-10 minute, pressure does not fall, and bridging plug 1 sets intact, test involution lattice, otherwise it is defective to test envelope, from oil pipe 9 release, packer 6 deblocking after oil pipe 9 and sleeve pipe 10 pressure balance, above mentions drilling tool, namely completes whole bridging plug and sets and test envelope step.Packer 6 pairs of bridging plugs or permanent packer 1 test envelope, in the process set, destroy pressure as setting ball seat 4 cores and be less than the pressure set, set do not complete time, the possibility that the seat core that just there will be setting ball seat 4 is struck off, choke valve 5 chock pressure difference is greater than packer 6 and sets pressure.
Embodiment 4
A kind of bridge plug for horizontal well sets, tests and alter integrated technique, carries out according to following steps:
Step one: will by bridging plug 1, setting tool 2, expansion loop 3, setting ball seat 4, choke valve 5, packer 6, centralizer 7, the tubing string that safety joint 8, oil pipe 9, tubing nipple 11 connect to form transfers to the target phase of sleeve pipe 10;
Step 2: carry oil pipe 9 slowly and be installed to well head;
Step 3: the setting ball seat 4 having steel ball from oil pipe 9 dosing, and carry out pumping, continue to suppress after pressure increase to more than 10MPa, packer 6 is set completely, continue to suppress to 15MPa, voltage stabilizing 5-10 minute, observe well head pressure, continue to suppress to 20MPa as pressure does not fall, after bridging plug 1 is completely setting, voltage stabilizing 5-10 minute, pressure does not fall, and bridging plug 1 sets intact, test involution lattice, otherwise it is defective to test envelope;
Step 4: from oil pipe 9 release, packer 6 deblocking after oil pipe 9 and sleeve pipe 10 pressure balance, above mentions drilling tool, namely completes whole bridging plug and sets and test envelope step.
In the above-described embodiments, described centralizer, setting tool, expansion loop, choke valve, safety joint, be all the common components of the art, here do not describe one by one.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (6)
1. bridge plug for horizontal well is sat and is tested an integral process tubing string, it is characterized in that, comprises the oil pipe (9) put in sleeve pipe (10); The horizontal segment of described oil pipe (10) is connected with a packer (6), this packer (6) is connected with setting tool (2) by tubing nipple (11), the other end of described setting tool (2) is connected with bridging plug (1), described oil pipe (9) horizontal segment is arranged with safety joint (8) on packer (6) one end, and described safety joint (8) is positioned at the left end with packer (6), suppressed setting ball seat (4) and expansion loop (3) in described tubing nipple (11), and described expansion loop (3) is positioned at the right-hand member of setting ball seat (4).
2. a kind of bridge plug for horizontal well according to claim 1 is sat and is tested integral process tubing string, it is characterized in that, be also provided with choke valve (5), and this choke valve (5) is positioned at the left end of setting ball seat (4) in described tubing nipple (11).
3. a kind of bridge plug for horizontal well according to claim 1 is sat and is tested integral process tubing string, it is characterized in that, described described oil pipe (9) horizontal segment is also arranged with centralizer (7) on packer (6) one end, and this centralizer (7) is positioned between safety joint (8) and packer (6).
4. a kind of bridge plug for horizontal well according to claim 1 is sat and is tested integral process tubing string, and it is characterized in that, described bridging plug (1) replaces with permanent packer.
5. a kind of bridge plug for horizontal well according to claim 1 is sat and is tested integral process tubing string, and it is characterized in that, what described packer (6) adopted is K344 type packer.
6. a kind of bridge plug for horizontal well according to claim 2 is sat and is tested integral process tubing string, and it is characterized in that, the chock pressure difference of described choke valve (5) is greater than the setting pressure of packer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520702546.1U CN205025426U (en) | 2015-09-11 | 2015-09-11 | Horizontal well bridging plug is sat and is tested integrated technology tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520702546.1U CN205025426U (en) | 2015-09-11 | 2015-09-11 | Horizontal well bridging plug is sat and is tested integrated technology tubular column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205025426U true CN205025426U (en) | 2016-02-10 |
Family
ID=55257969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520702546.1U Active CN205025426U (en) | 2015-09-11 | 2015-09-11 | Horizontal well bridging plug is sat and is tested integrated technology tubular column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205025426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761710A (en) * | 2016-12-15 | 2017-05-31 | 中国石油天然气股份有限公司 | A kind of horizontal well and directional well set and test envelope integrated technique |
-
2015
- 2015-09-11 CN CN201520702546.1U patent/CN205025426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761710A (en) * | 2016-12-15 | 2017-05-31 | 中国石油天然气股份有限公司 | A kind of horizontal well and directional well set and test envelope integrated technique |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103061684B (en) | Open-hole horizontal well segmentation many bunches of homogeneous acidification tubing strings and acidization tool thereof | |
| CN103015955B (en) | Open-hole horizontal well multi-cluster sliding sleeve staged fracturing string and fracturing method thereof | |
| CA2833992C (en) | Method of controlling a failed well with a ported packer | |
| CN102979495A (en) | Multi-cluster current limiting fracturing string of open hole horizontal well and fracturing method thereof | |
| RU2015120086A (en) | METHOD OF TESTING A BARRIER | |
| CN204703876U (en) | A kind of bridge-type concentric separated-injection tubing string | |
| CN108474242A (en) | Annular barrier and downhole system for area of low pressure | |
| CN104088599A (en) | Expansion bridge blinding method for outer packer of cement paste filled pipe | |
| CN105178905A (en) | Process tubing string and method for integrated setting and channeling testing of bridge plugs of horizontal wells | |
| CN102434192A (en) | Device and method for enhancing coal seam fracturing effect | |
| CN201738822U (en) | String for upper horizontal well cementation and lower screen pipe gravel pack completion | |
| CN102635335B (en) | A kind of casing programme delaying tomography place set to damage | |
| CN205025426U (en) | Horizontal well bridging plug is sat and is tested integrated technology tubular column | |
| CN205025419U (en) | Horizontal well bridging plug is sat and is sealed, is tested and scurry integrated technology tubular column | |
| CN204126624U (en) | Open-hole horizontal well fixed tubular column jetting sectional well completion fracturing string | |
| CN105134184A (en) | Process pipe string for horizontal well continuous channeling verification and method | |
| CN102134977A (en) | Secondary plugging valve | |
| CN211081763U (en) | Well-flushing pollution prevention device | |
| CN110617057B (en) | Full-pipe type underground test pipe column and test method thereof | |
| CN104088601A (en) | Channeling sealing tool for outer packer of cement paste filled pipe | |
| CN210134883U (en) | Injection-production integrated pipe column in same well | |
| CN204113206U (en) | A kind of Self-expandable packer with compression protection mechanism | |
| RU2533470C2 (en) | Procedure for recovery of tightness in flow strings | |
| CN203961897U (en) | A kind of cement paste filling tube external packer envelope is altered instrument | |
| CN102691492A (en) | System and process of screen pipe completion and cross oil layer cementing for steam injection heavy oil well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |