CN207420469U - Exempt to bore and exempt to drag for solid completion integral tubing string - Google Patents
Exempt to bore and exempt to drag for solid completion integral tubing string Download PDFInfo
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- CN207420469U CN207420469U CN201721458701.5U CN201721458701U CN207420469U CN 207420469 U CN207420469 U CN 207420469U CN 201721458701 U CN201721458701 U CN 201721458701U CN 207420469 U CN207420469 U CN 207420469U
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Abstract
Exempt to bore disclosed herein is one kind and exempt to drag for solid completion integral tubing string, including casing tubing string and in casing tubing string and the setting tool string tubing string of hypomere closing；Casing tubing string includes being sequentially connected ON/OFF formula cementing device, external packer of pipe and the interior sealing short circuit connect from top to bottom, and pressure transmission hole is provided on external packer of pipe；Setting tool string tubing string includes being sequentially connected external seal short circuit, impacting seat and the sealed device connect from top to bottom, flowing hole is provided on external seal short circuit, flowing hole is between ON/OFF formula cementing device and interior sealing short circuit, ON/OFF formula cementing device is mutually sealed with external seal short circuit, interior sealing short circuit is mutually sealed with sealed device, and has the anchor mechanism slipped out of the hand between ON/OFF formula cementing device and external seal short circuit.This, which exempts to bore to exempt to drag for solid completion integral tubing string and well solved circulation port, is not closed completely, returns the problem of taking rubber plug difficulty etc..
Description
Technical field
Present document relates to but be not limited to stowage unit field, espespecially one kind exempt from bore exempt to drag for solid completion integral tubing string.
Background technology
Under normal conditions, offshore oilfield well cementing operation and completion practice adhere to two different construction technologies separately, and construction exists
The problems such as construction time is long, casing program is complicated.Land is being applied to exempt to bore solid completion integral technique and applied with shortening at present
Between man-hour, casing program is reduced.
Land application at present exempts from that bore solid completion integral technological process as follows：
First, pipe string structure forms：Guide shoe+screen casing+exempts from drill tools+casing.
2nd, pipe string in place after, well head is suppressed, and envelope swollen first exempts from the external packer of pipe on drill tools, insulates annular space, continues to beat
Pressure, opening exempt from drill tools stage cementing device, establish Xun Huan, normal procedure well cementation, and the later stage throws rubber plug bruising, and well cementation terminates.
3rd, after Hou Ning, drill tools internal structure, and milling drifting are exempted from the macaroni of lower band fishing tool, salvaging, whole
A completion construction terminates.
But there are larger hidden danger and deficiency for current solid completion integral technique of exempting to bore：
1. exempting from drill tools casing cementing and rubber plug is needed to replace cement, it is endless there may be replacing that rubber plug replaces cement
Entirely, the situation of internal surface of sleeve pipe residual cement；
2. the technique closes cementing device circulation port using hydraulic open cementing device circulation port, rubber plug bruising, actually apply
Circulation port is susceptible in work and opens situation about fitting badly, influences cementing quality；
3. it salvages back, it is necessary to which drill tools internal structure is exempted from the salvaging of lower fishing tool after well cementation and takes difficulty.
Utility model content
At least one of in order to solve the above-mentioned technical problem, exempt to bore there is provided herein one kind and exempt to drag for solid completion integral pipe
Column has well solved circulation port and has been not closed completely, returns the problem of taking rubber plug difficulty etc..Setting tool string tubing string is installed in place recoil
Sealing tube external packer pushes setting tool string tubing string and opens ON/OFF formula cementing device, and cementing and bottom plug replace in drilling rod,
It above carries setting tool string tubing string and closes ON/OFF formula cementing device and return and take rubber plug, entire construction process links up, when avoiding the Hou Ning from waiting
Between.
In order to reach this paper purposes, exempt to bore there is provided herein one kind and exempt to drag for solid completion integral tubing string, including casing tubing string
With in described sleeve pipe tubing string and hypomere closing setting tool string tubing string；Described sleeve pipe tubing string is included from top to bottom successively
ON/OFF formula cementing device, external packer of pipe and the interior sealing short circuit being connected are provided with pressure transmission hole on the external packer of pipe；
The setting tool string tubing string includes being sequentially connected external seal short circuit, impacting seat and the sealed device connect from top to bottom, described outer
Flowing hole is provided on Sealing, the flowing hole is described between the ON/OFF formula cementing device and interior sealing short circuit
ON/OFF formula cementing device is mutually sealed with the external seal short circuit, and the interior sealing short circuit is mutually sealed with the sealed device, and institute
The anchor mechanism for having to slip out of the hand between ON/OFF formula cementing device and the external seal short circuit is stated, the external seal short circuit
Upper end is used to directly or indirectly with oil pipe be connected.
Optionally, the setting tool string tubing string further includes：Drilling rod, positioned at the top of the external seal short circuit, the brill
The lower end of bar is connected with the upper end of the external seal short circuit, and the upper end of the drilling rod is used to be connected with the oil pipe.
Optionally, the setting tool string tubing string further includes：The interior guide shoe of lower end closed, under the sealed device
Side, the upper end of the interior guide shoe is connected with the lower end of the sealed device.
Optionally, the setting tool string tubing string further includes：Rubber plug, the rubber plug can be launched in the external seal short circuit
And it is sealed on the impacting seat.
Optionally, described sleeve pipe tubing string further includes：Screen casing, positioned at the lower section of the interior sealing short circuit, the screen casing it is upper
End is connected with the lower end of the interior sealing short circuit.
Optionally, described sleeve pipe tubing string further includes：The outer guide shoe of lower end perforation, it is described outer positioned at the lower section of the screen casing
The upper end of guide shoe is connected with the lower end of the screen casing.
Optionally, described sleeve pipe tubing string further includes：Casing is generated, it is described positioned at the top of the ON/OFF formula cementing device
The lower end of generation casing is connected with the upper end of the ON/OFF formula cementing device.
Optionally, the ON/OFF formula cementing device is mechanical ON/OFF formula cementing device.
Optionally, the mechanical ON/OFF formula cementing device includes：Inner cylinder is provided with first through hole；And outer barrel
Body, lower end are connected with the external packer of pipe, and the second through hole is provided on the outer barrel, and the first through hole is in institute
The top of the second through hole is stated, the inner cylinder can be up or down installed in the outer barrel, and the side wall of the inner cylinder covers
Cover second through hole.
Optionally, the anchor mechanism include the screw buckle that is arranged on the external seal short circuit and be arranged at it is described open/
Barb on the formula cementing device of pass.
Compared with prior art, brill provided by the utility model of exempting from exempts to drag for solid completion integral tubing string, well solves
Circulation port is not closed completely, returns the problem of taking rubber plug difficulty etc..Setting tool string tubing string is installed in place recoil sealing tube external packer, under
Setting tool string tubing string is pressed to open ON/OFF formula cementing device, cementing and bottom plug replace in drilling rod, above carry setting tool string pipe
Column closes ON/OFF formula cementing device time and takes rubber plug, and entire construction process links up, and avoids the Hou Ning stand-by period.
The other feature and advantage of this paper will illustrate in the following description, also, partly become from specification
It is clear that understood by implementing herein.The purpose of this paper and other advantages can be by specification, claims
And specifically noted structure is realized and obtained in attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding this paper technical solutions, and a part for constitution instruction, with this Shen
Embodiment please for explaining the technical solution of this paper, does not form the limitation to this paper technical solutions together.
Fig. 1 to Fig. 5 is that the brill of exempting from described in the utility model one embodiment exempts to drag for solid completion integral tubing string different operating
The schematic cross-sectional view of state.
Wherein, correspondences of the Fig. 1 into Fig. 5 between reference numeral and component names is：
1 stratum, 2 outer layer sleeves, 3 outer layer cement, 4 generation casings, 5 external seal short circuits, 6 mechanical ON/OFF formula cementing devices,
7 impacting seats, 8 external packer of pipe, 9 interior sealing short circuits, 10 drilling rods, guide shoe in 11 sealed devices 12,13 outer guide shoes, 14 screen casings, 15
Rubber plug, 16 oil pipes, 17 flowing holes, 18 first through hole, 19 second through holes.
Specific embodiment
Purpose, technical scheme and advantage to make this paper are more clearly understood, below in conjunction with attached drawing to the reality of this paper
Example is applied to be described in detail.It should be noted that in the case where there is no conflict, the spy in embodiment and embodiment in the application
Sign can be mutually combined.
Many details are elaborated in the following description in order to fully understand herein, still, can also be adopted herein
Implemented with other different from mode described here, therefore, the protection domain of this paper and from following public specific implementation
The limitation of example.
The brill of exempting from for describing some embodiments herein below in conjunction with the accompanying drawings exempts to drag for solid completion integral tubing string.
Brill provided by the utility model of exempting from exempts to drag for solid completion integral tubing string, as shown in Figures 1 to 5, including casing tubing string
With in described sleeve pipe tubing string and hypomere closing setting tool string tubing string；Described sleeve pipe tubing string is included from top to bottom successively
ON/OFF formula cementing device, external packer of pipe 8 and the interior sealing short circuit 9 being connected are provided with pressure transmission on the external packer of pipe 8
Hole；The setting tool string tubing string includes being sequentially connected the external seal short circuit 5 connect, impacting seat 7 and sealed device 11 from top to bottom,
Flowing hole 17 is provided on the external seal short circuit 5, the flowing hole 17 is located at the ON/OFF formula cementing device and interior sealing is short
Between connecing 9, the ON/OFF formula cementing device is sealed with 5 phase of external seal short circuit, the interior sealing short circuit 9 and described interior close
The sealing of 11 phase of device is sealed, and there is the anchoring machine slipped out of the hand between the ON/OFF formula cementing device and the external seal short circuit 5
Structure, the upper end of the external seal short circuit 5 are used to directly or indirectly with oil pipe 16 be connected.
It is provided by the utility model exempt from bore exempt to drag for solid completion integral tubing string, well solved circulation port be not closed completely,
Return the problem of taking 15 difficulty of rubber plug etc..Setting tool string tubing string is installed in place recoil sealing tube external packer 8, pushes setting tool string
Tubing string opens ON/OFF formula cementing device, and cementing and bottom plug 15 replace in drilling rod 10, above proposes the closing of setting tool string tubing string
ON/OFF formula cementing device returns and takes rubber plug 15, and entire construction process links up, and avoids the Hou Ning stand-by period.
Specifically, the setting tool string tubing string further includes：Drilling rod 10, it is described positioned at the top of the external seal short circuit 5
The lower end of drilling rod 10 is connected with the upper end of the external seal short circuit 5, and the upper end of the drilling rod 10 is used for and 16 phase of oil pipe
Connection；The interior guide shoe 12 of lower end closed, positioned at the lower section of the sealed device 11, the upper end of the interior guide shoe 12 with it is described interior close
The lower end of envelope device 11 is connected；With rubber plug 15, the rubber plug 15 can be launched to be touched described in being sealed in the external seal short circuit 5
On wedge 7.
Specifically, described sleeve pipe tubing string further includes：Screen casing 14, positioned at the lower section of the interior sealing short circuit 9, the screen casing 14
Upper end be connected with the lower end of the interior sealing short circuit 9；The outer guide shoe 13 of lower end perforation, positioned at the lower section of the screen casing 14,
The upper end of the outer guide shoe 13 is connected with the lower end of the screen casing 14；With generation casing 4, positioned at the ON/OFF formula cementing
The top of device, the lower end of the generation casing 4 are connected with the upper end of the ON/OFF formula cementing device.
Wherein, the ON/OFF formula cementing device is machinery ON/OFF formula cementing device 6, the machinery ON/OFF formula cementing
Device 6 includes：Inner cylinder is provided with first through hole 18；And outer barrel, lower end are connected with the external packer of pipe 8, institute
It states and the second through hole 19 is provided on outer barrel, the first through hole 18 is in the top of second through hole 19, the inner cylinder
It can up or down be installed in the outer barrel, the side wall of the inner cylinder covers second through hole 19, and inner cylinder is opposite
When outer barrel is moved down into maximum position, the coincidence of 18 and second through hole 19 of first through hole is conducted.
Specifically, the anchor mechanism include the screw buckle that is arranged on the external seal short circuit 5 and be arranged at it is described open/
Barb on the formula cementing device of pass, to realize setting tool string tubing string and casing pipe by rotating backward setting tool string tubing string
Column is given up.
Five implementation processes are described below：
First, well head elder generation tripping in casing tubing string, then tripping in setting tool string tubing string.As shown in Figure 1
In well head according to above-mentioned order of connection tripping in casing tubing string, casing tubing string is suspended from well with slips after the completion of tripping in
Mouthful, then (pass through hook or top drive) tripping in setting tool string tubing string has suspending weight anomalous variation until hook or top are driven, then sets work
The tripping in of tool string tubing string is in place.
2nd, well head, which is suppressed, sets external packer of pipe 8.As shown in Figure 2
Casing tubing string is with setting tool string tubing string by external seal pipe nipple and mechanical ON/OFF formula cementing device 6 and interior sealing
Device 11 and interior sealing pipe nipple are realized and sealed at two.The sealing space of formation is connected with the pressure transmission hole of external packer of pipe 8, is pressed from well head
It is pumped according to ladder pressure into drilling rod 10, pressure enters pressure transmission hole and cuts multigroup shear pin of external packer of pipe 88 successively, completes
External packer of pipe 8 is set.
3rd, mechanical cementing device is opened, by design flow cementing.As shown in Figure 3
Drilling rod 10 is pushed to certain tonnage, the shear pin of mechanical ON/OFF formula cementing device 6 is cut, opens circulation port (i.e. inner cylinder
Body moves down conducting first through hole and the second through hole), circulation port conducting casing tubing string is interior with outside casing tubing string, injecting water by design flow
Mud.
4th, rubber plug 15 replaces cement, bruising.As shown in Figure 4
Rubber plug 15 is put by cementing head in setting tool string tubing string and injects displacement fluid, displacement fluid replaces rubber plug 15
Make cement by the circulation port of mechanical ON/OFF formula cementing device 6, be injected into casing tubing string and inside open hole well, rubber plug 15 is with touching
Bruising is realized in the contact of wedge 7.
5th, slip out of the hand setting tool string tubing string, Hou Ning completes integrated solid well operations.As shown in Figure 5
After bruising, above carry and be buckled to rotation setting tool string tubing string, closed by anchor mechanism (driving in-migration on inner cylinder)
The circulation port of mechanical ON/OFF formula cementing device 6 is closed, casing tubing string is completed and slips out of the hand with setting tool string tubing string, take out setting tool
String tubing string, Hou Ning complete integrated solid well operations.
Wherein, well inner structure includes：Stratum 1, outer layer sleeve 2, outer layer cement 3 and oil pipe 16.
In conclusion brill provided by the utility model of exempting from exempts to drag for solid completion integral tubing string, circulation port has been well solved
It is not closed completely, returns the problem of taking rubber plug difficulty etc..Setting tool string tubing string is installed in place recoil sealing tube external packer, and pushing is set
Tool string tubing string opens ON/OFF formula cementing device, and cementing and bottom plug replace in drilling rod, above proposes the closing of setting tool string tubing string
ON/OFF formula cementing device returns and takes rubber plug, and entire construction process links up, and avoids the Hou Ning stand-by period.
In description herein, term " installation ", " connected ", " connection ", " fixation " etc. should all be interpreted broadly, for example,
" connection " can be fixedly connected or be detachably connected or be integrally connected；It can be directly connected, can also lead to
Intermediary is crossed to be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning herein.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one implementation that the particular features, structures, materials, or characteristics that the embodiment or example describe are contained in this paper
In example or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment or example.
Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example with suitable
Mode combine.
Although embodiment disclosed herein is as above, the content only implementation of use herein for ease of understanding
Mode is not limited to herein.Technical staff in any this paper fieldss, do not depart from spirit disclosed herein and
On the premise of scope, any modification and variation, but the patent protection model of this paper can be carried out in the form and details of implementation
It encloses, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. one kind is exempted to bore and exempts to drag for solid completion integral tubing string, which is characterized in that including casing tubing string and mounted on described sleeve pipe pipe
In column and the setting tool string tubing string of hypomere closing；
Described sleeve pipe tubing string is short including being sequentially connected the ON/OFF formula cementing device, external packer of pipe and the interior sealing that connect from top to bottom
It connects, pressure transmission hole is provided on the external packer of pipe；
The setting tool string tubing string includes being sequentially connected external seal short circuit, impacting seat and the sealed device connect, institute from top to bottom
State and flowing hole be provided on external seal short circuit, the flowing hole between the ON/OFF formula cementing device and interior sealing short circuit,
The ON/OFF formula cementing device is mutually sealed with the external seal short circuit, and the interior sealing short circuit is mutually sealed with the sealed device,
And there is the anchor mechanism slipped out of the hand between the ON/OFF formula cementing device and the external seal short circuit, the external seal is short
The upper end connect is used to directly or indirectly with oil pipe be connected.
2. brill according to claim 1 of exempting from exempts to drag for solid completion integral tubing string, which is characterized in that the setting tool string pipe
Column further includes：
Drilling rod, positioned at the top of the external seal short circuit, the lower end of the drilling rod is connected with the upper end of the external seal short circuit,
The upper end of the drilling rod is used to be connected with the oil pipe.
3. brill according to claim 2 of exempting from exempts to drag for solid completion integral tubing string, which is characterized in that the setting tool string pipe
Column further includes：
The interior guide shoe of lower end closed, positioned at the lower section of the sealed device, upper end and the sealed device of the interior guide shoe
Lower end is connected.
4. brill according to claim 3 of exempting from exempts to drag for solid completion integral tubing string, which is characterized in that the setting tool string pipe
Column further includes：
Rubber plug, the rubber plug can be launched in the external seal short circuit and be sealed on the impacting seat.
5. brill according to claim 1 of exempting from exempts to drag for solid completion integral tubing string, which is characterized in that described sleeve pipe tubing string also wraps
It includes：
Screen casing, positioned at the lower section of the interior sealing short circuit, the upper end of the screen casing is connected with the lower end of the interior sealing short circuit.
6. brill according to claim 5 of exempting from exempts to drag for solid completion integral tubing string, which is characterized in that described sleeve pipe tubing string also wraps
It includes：
The outer guide shoe of lower end perforation, positioned at the lower section of the screen casing, the upper end of the outer guide shoe is connected with the lower end of the screen casing
It connects.
7. brill according to claim 6 of exempting from exempts to drag for solid completion integral tubing string, which is characterized in that described sleeve pipe tubing string also wraps
It includes：
Casing is generated, positioned at the top of the ON/OFF formula cementing device, the lower end of the generation casing is noted with the ON/OFF formula
The upper end of cement device is connected.
8. brill according to any one of claim 1 to 7 of exempting from exempts to drag for solid completion integral tubing string, which is characterized in that described
ON/OFF formula cementing device is mechanical ON/OFF formula cementing device.
9. brill according to claim 8 of exempting from exempts to drag for solid completion integral tubing string, which is characterized in that the machinery ON/OFF formula
Cementing device includes：
Inner cylinder is provided with first through hole；With
Outer barrel, lower end are connected with the external packer of pipe, and the second through hole is provided on the outer barrel, and described first is logical
Hole is in the top of second through hole, and the inner cylinder can be up or down installed in the outer barrel, the inner cylinder
Side wall cover second through hole.
10. brill according to any one of claim 1 to 7 of exempting from exempts to drag for solid completion integral tubing string, which is characterized in that described
Anchor mechanism includes the screw buckle being arranged on the external seal short circuit and is arranged at falling on the ON/OFF formula cementing device
Hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458701.5U CN207420469U (en) | 2017-11-03 | 2017-11-03 | Exempt to bore and exempt to drag for solid completion integral tubing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458701.5U CN207420469U (en) | 2017-11-03 | 2017-11-03 | Exempt to bore and exempt to drag for solid completion integral tubing string |
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| Publication Number | Publication Date |
|---|---|
| CN207420469U true CN207420469U (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721458701.5U Active CN207420469U (en) | 2017-11-03 | 2017-11-03 | Exempt to bore and exempt to drag for solid completion integral tubing string |
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| CN (1) | CN207420469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085472A1 (en) * | 2017-11-03 | 2019-05-09 | 中国海洋石油集团有限公司 | Tubular column for drill-free and catch-free integrated well cementing and well completion and application thereof |
-
2017
- 2017-11-03 CN CN201721458701.5U patent/CN207420469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085472A1 (en) * | 2017-11-03 | 2019-05-09 | 中国海洋石油集团有限公司 | Tubular column for drill-free and catch-free integrated well cementing and well completion and application thereof |
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| GR01 | Patent grant | ||
| 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: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |