CN107587850A - Completion guide shoe - Google Patents
Completion guide shoe Download PDFInfo
- Publication number
- CN107587850A CN107587850A CN201710958442.0A CN201710958442A CN107587850A CN 107587850 A CN107587850 A CN 107587850A CN 201710958442 A CN201710958442 A CN 201710958442A CN 107587850 A CN107587850 A CN 107587850A
- Authority
- CN
- China
- Prior art keywords
- guide
- joint
- guide rod
- head
- rod
- 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.)
- Pending
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Abstract
The present invention discloses completion guide shoe, including joint, the joint has internal thread, and the upper thread segment of the internal thread is used to be connected with flow string and lower thread segment connection guide rod, and the guide rod is connected with joint screw thread and the steady pin by being set radially across the joint is locked with joint；The pushing or above carrying by flow string when down tube is hampered, the guide head can be turned an angle to avoid obstruction by guide finger along the guide groove on the guide rod；The guide finger is radially arranged and is connected the guide rod with guide head；The top of the guide head is threadedly coupled gland, and spring is housed between the gland, joint on the guide rod.The present invention can be realized by pushing or above carry flow string and rotated when meeting and hindering to avoid obstacle by guide head, can thus make flow string is completely lower to arrive design attitude.
Description
Technical field
The present invention relates to completion guide shoe technical field, and in particular to completion guide shoe.
Background technology
With the development of World Economics, the demand of the energy is increasingly increased, oil as the energy major consumers product to generation
Boundary's expanding economy plays vital effect, and after 20th century, oil and gas extraction are with consuming significantly
Increase, and with annual 200000000 tons of speed sustainable growth.Under this historical background, extended reach well, horizontal well and high angle hole are to produce
High, extra large oil circuit is measured to adopt and the features such as oil reservoir exposed area is big, be now widely used in ocean stone gas field development, old filed stable yields and
In low permeability oil and gas field exploitation.
In Completion Operations, flow string need to meet following basic principle：1. meet safety requirements；2. meet normal production
Technological requirement；3. meet production test and well stimulation requirement；4. it is simple in construction, construction is easy etc..Conventional flow string most bottom
End can connect a conventional guide shoe, it is impossible to freely activity；, often can be because of when arriving High angle section or horizontal segment under flow string
Frictional resistance or step cause it is not in place under flow string so that completion period extend, increase completion cost etc..Therefore, solve
Extended reach well, horizontal well and high angle hole High angle section and horizontal segment make because not in place under flow string caused by frictional resistance or step
Completion period extend, increase completion cost the problem of, turn into the problem of to be solved.
The content of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide completion guide shoe.
Technical scheme is used by realize the purpose of the present invention：
Completion guide shoe, including joint, the joint have internal thread, and the upper thread segment of the internal thread is used for and production
Tubing string connects and lower thread segment connection guide rod, and the guide rod is connected with joint screw thread and by being set radially across the joint
Steady pin and joint lock；The bottom of the guide rod is arranged in hollow guide head moving up and down；Met in down tube
Pushing or above carrying by flow string during resistance, the guide head can be rotated by guide finger along the guide groove on the guide rod
Certain angle is to avoid obstruction；The guide finger is radially arranged and is connected the guide rod with guide head；The guide head
Top threaded connection gland, spring is housed between the gland, joint on the guide rod.
Guide pin hole is offered on the barrel of the guide head, the guide finger is arranged in guide pin hole and led with described
Formed and be slidably connected to groove.
The outside of the guide pin hole is provided with jump ring with the fixation guide finger by jump-ring slot.
The guide rod is hollow tubular structure, and the gland center has centre bore, and the gland passes through center borehole jack
It is threadedly coupled after on the guide rod with the guide head to prevent the guide rod from departing from guide head.
The inside of the guide head has limited step hole or shoulder hole, and the guide rod is correspondingly formed adaptable rank
Terraced rod-like structure, with to guide head move up and down stroke carry out it is spacing.
The present invention can run into barrier in lower flow string by above technical scheme by pushing flow string and realizing
When hindering by guide head rotate an angle to avoid obstacle, push and by rotate also can not avoid the obstacle when, can on
Flow string is carried, guide head is rotated further by an angle, so operates repeatedly, until the success of guide head obstacle detouring, can thus make
Flow string is completely lower to arrive design attitude.
Brief description of the drawings
Fig. 1 is the structural representation of completion guide shoe；
Fig. 2 is section expanded schematic diagram of the guide rod along line A-A；
In figure：1. internal thread, 2. joints, 3. steady pins, 4. guide rods, 5. springs, 6. glands, 7. guide fingers, 8. jump rings,
9. guide head.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
Referring to shown in Fig. 1-2, completion guide shoe, including joint 2, the joint has an internal thread 1, the internal thread it is upper
Thread segment is used to be connected with flow string and lower thread segment connection guide rod 4, and the guide rod is connected with joint screw thread and by footpath
Locked to the steady pin 3 set through the joint and joint；The bottom of the guide rod 4 is arranged on hollow move up and down
Guide head 9 in；When down tube is hampered, is often pushed or above carried once by flow string, the guide head 9 can pass through guide finger
7, along the guide groove 41 (as shown in Figure 2) on the guide rod 4, rotate certain angle to avoid obstruction；The guiding
Pin 7 is radially arranged, and the guide rod 4 is connected with guide head 9；The top threaded connection gland 6 of the guide head 9, it is described
Spring 5 is housed on guide rod 4 between the gland 6, joint 2.
Wherein, the steady pin can prevent the joint and the guide rod back-off.
As shown in Fig. 2 in the present invention, described guide groove 41 is set, as shown in Fig. 2 leading on the outer wall of the guide rod 4
There is the vertically-guided portion with the diameter parallel of guide rod to groove 41, and guiding is folded to what the vertically-guided portion communicated
Portion, vertically-guided portion and is folded on the outside of guide part and is respectively provided with arc-shaped limit portion 42, is folded to the arc-shaped limit portion connection of guide part
Formation is folded to mobile tilt guides, including upper tilt guides, lower tilt guides, communicates between them, so as to realize
The function of guiding is folded to, so as to so that guide finger 7 moves in the mobile route that it is limited, the direction of arrow as shown in Figure 2
Move so that the guide head of connection rotates together.
Wherein, offer guide pin hole on the barrel of the guide head, the guide finger be arranged in guide pin hole and with
The guide groove is formed and is slidably connected.
Wherein, the outside of the guide pin hole is provided with jump ring 8 by jump-ring slot and used with the fixation guide finger, the jump ring
Come off in preventing that guide finger from releasing.
Wherein, the guide rod 4 is hollow tubular structure, and the gland center 6 has centre bore, and the gland is in
Heart hole, after being enclosed on the guide rod, it is threadedly coupled with the guide head 9, to prevent the guide rod from departing from guide head.
Wherein, the inside of the guide head has limited step hole or shoulder hole, and being correspondingly formed for the guide rod is mutually fitted
The ladder rod-like structure answered, with to guide head move up and down stroke carry out it is spacing.
When meeting card because pit shaft is unclean to High angle section and waterpower section under flow string, continue to push flow string, lead
It can be moved to head with the mobile route that the guide groove of guide finger on the guide bar limits, while compression spring, by
In guide groove specific path set, and cause guide head rotate an angle, if success obstacle detouring, flow string may proceed to
Preceding movement；If unsuccessful, then upper lifting pipe post, spring reset so that guide head can rotate an angle again, again obstacle detouring；Just
So push repeatedly, upper lifting pipe post；Often push, above carry a tubing string, guide head just rotates an angle, until guide head obstacle detouring
Success, flow string is completely lower to arrive design attitude.
Lamps structure principle of the present invention is simple, easy to operate；Meet card and obstacle detouring can be achieved by the rotation of guide head；Can solve big
Displacement well, horizontal well and high angle hole High angle section and horizontal segment are because not in place under flow string caused by frictional resistance or step so that
Completion period extend, increase completion cost the problem of.
The present invention can run into barrier in lower flow string by above technical scheme by pushing flow string and realizing
An angle is rotated to avoid obstacle by guide head when hindering, when the obstacle can not be avoided, flow string is above carried, makes guide head
An angle is rotated further by, so repeatedly until the success of guide head obstacle detouring, can thus make flow string is completely lower to arrive design attitude.
Described above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. completion guide shoe, it is characterised in that including joint, the joint has internal thread, the upper thread segment of the internal thread
For being connected with flow string and lower thread segment connection guide rod, the guide rod is connected with joint screw thread and by radially across institute
The steady pin and joint for stating joint setting are locked；The bottom of the guide rod is arranged on hollow guide head moving up and down
It is interior；The pushing or above carrying by flow string when down tube is hampered, the guide head can be by guide fingers along the guide rod
Guide groove turn an angle to avoid obstruction；The guide finger is radially arranged and connects the guide rod and guide head
Connect；The top of the guide head is threadedly coupled gland, and spring is housed between the gland, joint on the guide rod.
2. completion guide shoe according to claim 1, it is characterised in that offer guide finger on the barrel of the guide head
Hole, the guide finger are arranged in guide pin hole and formed with the guide groove and be slidably connected.
3. completion guide shoe according to claim 2, it is characterised in that the outside of the guide pin hole is provided with by jump-ring slot
Jump ring is with the fixation guide finger.
4. completion guide shoe according to claim 1, it is characterised in that the guide rod is hollow tubular structure, the pressure
Lid center has a centre bore, the gland be threadedly coupled after being enclosed on by centre bore on the guide rod with the guide head to prevent
Only the guide rod departs from guide head.
5. completion guide shoe according to claim 1, it is characterised in that the inside of the guide head have limited step hole or
Shoulder hole, the guide rod are correspondingly formed adaptable ladder rod-like structure, are carried out with the stroke that moves up and down to guide head
It is spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958442.0A CN107587850A (en) | 2017-10-16 | 2017-10-16 | Completion guide shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958442.0A CN107587850A (en) | 2017-10-16 | 2017-10-16 | Completion guide shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107587850A true CN107587850A (en) | 2018-01-16 |
Family
ID=61053958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710958442.0A Pending CN107587850A (en) | 2017-10-16 | 2017-10-16 | Completion guide shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107587850A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020142080A1 (en) * | 2018-12-31 | 2020-07-09 | Halliburton Energy Services, Inc. | Perturbation based well path reconstruction |
| CN113719639A (en) * | 2020-05-26 | 2021-11-30 | 苏州旭创科技有限公司 | Pipeline switching device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4413682A (en) * | 1982-06-07 | 1983-11-08 | Baker Oil Tools, Inc. | Method and apparatus for installing a cementing float shoe on the bottom of a well casing |
| CN201241620Y (en) * | 2008-07-31 | 2009-05-20 | 大港油田集团有限责任公司 | Rotary type fin guide head |
| CN201474631U (en) * | 2009-08-28 | 2010-05-19 | 中国海洋石油总公司 | Large-diameter guide shoe with variable guide port |
| CN102619481A (en) * | 2012-04-13 | 2012-08-01 | 中国石油天然气集团公司 | Mechanical completion string running tool |
| US20130000921A1 (en) * | 2011-06-30 | 2013-01-03 | Baker Hughes Incorporated | Apparatus to remotely actuate valves and method thereof |
| CN203334978U (en) * | 2013-07-03 | 2013-12-11 | 天津克睿特维科技发展有限公司 | Spring type automatic reversing guiding shoe |
| CN203742480U (en) * | 2014-01-29 | 2014-07-30 | 中国石油集团西部钻探工程有限公司 | Clamping-preventing casing guide device |
| CN204082034U (en) * | 2014-08-18 | 2015-01-07 | 中国石油集团长城钻探工程有限公司 | A kind of mechanical type continuous rotation completion guide shoe |
| CN107227938A (en) * | 2017-07-12 | 2017-10-03 | 中国石油集团西部钻探工程有限公司 | Well rotary guide shoe assembly can be repaired |
| CN207363613U (en) * | 2017-10-16 | 2018-05-15 | 天津盛鑫华瑞石油技术有限公司 | Completion guide shoe |
-
2017
- 2017-10-16 CN CN201710958442.0A patent/CN107587850A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4413682A (en) * | 1982-06-07 | 1983-11-08 | Baker Oil Tools, Inc. | Method and apparatus for installing a cementing float shoe on the bottom of a well casing |
| CN201241620Y (en) * | 2008-07-31 | 2009-05-20 | 大港油田集团有限责任公司 | Rotary type fin guide head |
| CN201474631U (en) * | 2009-08-28 | 2010-05-19 | 中国海洋石油总公司 | Large-diameter guide shoe with variable guide port |
| US20130000921A1 (en) * | 2011-06-30 | 2013-01-03 | Baker Hughes Incorporated | Apparatus to remotely actuate valves and method thereof |
| CN102619481A (en) * | 2012-04-13 | 2012-08-01 | 中国石油天然气集团公司 | Mechanical completion string running tool |
| CN203334978U (en) * | 2013-07-03 | 2013-12-11 | 天津克睿特维科技发展有限公司 | Spring type automatic reversing guiding shoe |
| CN203742480U (en) * | 2014-01-29 | 2014-07-30 | 中国石油集团西部钻探工程有限公司 | Clamping-preventing casing guide device |
| CN204082034U (en) * | 2014-08-18 | 2015-01-07 | 中国石油集团长城钻探工程有限公司 | A kind of mechanical type continuous rotation completion guide shoe |
| CN107227938A (en) * | 2017-07-12 | 2017-10-03 | 中国石油集团西部钻探工程有限公司 | Well rotary guide shoe assembly can be repaired |
| CN207363613U (en) * | 2017-10-16 | 2018-05-15 | 天津盛鑫华瑞石油技术有限公司 | Completion guide shoe |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020142080A1 (en) * | 2018-12-31 | 2020-07-09 | Halliburton Energy Services, Inc. | Perturbation based well path reconstruction |
| CN112969840A (en) * | 2018-12-31 | 2021-06-15 | 哈里伯顿能源服务公司 | Disturbance-based borehole diameter reconstruction |
| GB2592765A (en) * | 2018-12-31 | 2021-09-08 | Halliburton Energy Services Inc | Perturbation based well path reconstruction |
| GB2592765B (en) * | 2018-12-31 | 2022-08-31 | Halliburton Energy Services Inc | Perturbation based well path reconstruction |
| CN112969840B (en) * | 2018-12-31 | 2023-03-10 | 哈里伯顿能源服务公司 | Disturbance-based borehole diameter reconstruction |
| CN113719639A (en) * | 2020-05-26 | 2021-11-30 | 苏州旭创科技有限公司 | Pipeline switching device |
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