CN207568557U - With circulating valve under drilling well - Google Patents
With circulating valve under drilling well Download PDFInfo
- Publication number
- CN207568557U CN207568557U CN201721575466.XU CN201721575466U CN207568557U CN 207568557 U CN207568557 U CN 207568557U CN 201721575466 U CN201721575466 U CN 201721575466U CN 207568557 U CN207568557 U CN 207568557U
- Authority
- CN
- China
- Prior art keywords
- mandrel
- ontology
- circulating valve
- ball seat
- guide sleeve
- 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.)
- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 210000000664 rectum Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 210000004233 talus Anatomy 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses one kind with circulating valve under drilling well, the ontology of circulating valve carries spiral shell button for upper and lower side, there are two circulation ports on side wall, one step is arranged at inner cavity lower part, compressed spring lower end is resisted against on the step of body interior, the lower end of guide sleeve and the lower end of mandrel resist pressure ring, the upper and lower ends of guide sleeve are provided with seal groove, guide groove is provided among the outer surface of guide sleeve, and coordinate with the guide pin on ontology, the by-pass prot being aligned when circulating valve is in open position with circulation port on ontology is provided among mandrel, the upper end of mandrel is integral type ball seat, the inner wall of ball seat is provided with the slot of several axial directions, after solvable ball falls on ball seat, it is endless hermetically sealed, some fluid is in the slot inside ball seat to dirty.The utility model realization, which does not pull out of hole, bypasses the special operations such as cycle, shortens drilling period；Realize unlimited secondary down-hole switch operation；Effectively remove directional well and net horizontal section cutting bed.
Description
Technical field
The utility model is related to drilling technology field, more particularly to one kind with circulating valve under drilling well.
Background technology
With the development of oil-gas exploration and development, the quantity of deep-well, Holes of Complicated Wells and special well rises year by year, drilling process
In complex situations also gradually increase, if power drilling tool damage, mud leakage, setting of casing be hampered, particularly in High angle, Chang Shui
During horizontal well, since the prop-carrying capacity of mud limits, the talus deposit of horizontal segment bottom is often caused, and then influence drill bit
Rate of penetration or even bit freezing can be caused, influence whole rate of penetration, in this case it is necessary to quickly establish cycle, avoided
Appearance accident complex situations.
At present, in terms of with circulation tool is bored, external technology comparative maturity, such as Baker Hughes company XP
Circulating valve etc., but lag is also compared in domestic research and development in this respect, and conventional circulation tool can only open and close once, just
It has needed tool during normal drilling well, and has re-replaced the normal drilling well of ability, affected whole construction speed.Recent year by
Step has broken away from the external block in the relevant technologies, but still not overripened.
Utility model content
Technical problem to be solved in the utility model is to provide one kind with circulating valve under drilling well, can pass through the side of pitching
Formula repeatedly opens or closes underground bypass, and to change down-hole drilling fluids circulation canal, reaching reduces wellbore construction risk and complexity
Degree eliminates the purpose of directional well and net horizontal section cutting bed.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：One kind is with circulating valve under drilling well, packet
Include ontology, mandrel, guide sleeve, "T"-shaped pressure ring, compressed spring, solvable ball, ball seat, by-pass prot, circulation port, guide pin, guiding
Slot, the ontology of circulating valve is upper end, lower end carries the cylinder of spiral shell button, is set on this body sidewall there are two circulation port, in ontology
One step is arranged at chamber lower part, and compressed spring lower end is resisted against on the step of body interior, and upper end is sleeved on the small end of "T"-shaped pressure ring, " T "
The centre of shape pressure ring carries cavity, is sleeved on the lower end of the guide sleeve of mandrel lower outside and the lower end of mandrel and resists "T"-shaped pressure ring,
Cavity among the cavity and mandrel of "T"-shaped pressure ring forms latus rectum, and the upper and lower ends of guide sleeve are provided with seal groove, outer surface with
Body internal surface forms sealing, guide groove is provided among the outer surface of guide sleeve, and coordinate with the guide pin on ontology, in ontology
Seal groove is provided on the outer surface of circulation port corresponding mandrel both sides, sealing element forms close in body internal surface and mandrel outer surface
Envelope；The by-pass prot being aligned when circulating valve is in open position with circulation port on ontology, mandrel by-pass prot upper end are provided among mandrel
It is provided with seal groove, sealing element forms sealing in mandrel outer surface and body internal surface, and the upper end of mandrel is integral type ball seat, ball seat
Inner wall be provided with the slots of several axial directions, endless hermetically sealed after solvable ball falls on ball seat, some fluid is inside ball seat
To dirty in slot.
The solvable ball is hollow, and inside is vacuum or is filled with gas.
Guide groove of the guide groove for a circle waveform broken line, adjacent two slot lowermost ends are one high and one low, formation
Deep trouth and the alternate setting of shallow slot.
The beneficial effects of the utility model are：Realization, which does not pull out of hole, bypasses the special operations such as cycle, shortens drilling period；It realizes
Unlimited secondary down-hole switch operation；Effectively remove directional well and net horizontal section cutting bed.
Description of the drawings
Fig. 1 is structure diagram of the utility model with circulating valve under drilling well.
Fig. 2 is first open position figure of circulating valve.
Fig. 3 is second open position of circulating valve.
Fig. 4 is ball seat sectional view.
Fig. 5 is guide sleeve guide groove expanded view.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
As shown in Fig. 1,4, the utility model includes ontology 1, mandrel 2, guide sleeve 3, "T"-shaped pressure with circulating valve under drilling well
Ring 4, compressed spring 5, solvable ball 6, ball seat 7, by-pass prot 9, circulation port 11, guide pin 14, guide groove 16, the ontology 1 of circulating valve
The cylinder of spiral shell button is carried for upper end, lower end, is set on 1 side wall of ontology there are two circulation port 11,1 inner cavity lower part of ontology has one
Rank 17,5 lower end of compressed spring are resisted against on the step 17 of body interior, and upper end is sleeved on the small end of "T"-shaped pressure ring 4, "T"-shaped pressure ring
4 centre carries cavity, is sleeved on the lower end of the guide sleeve 3 of 2 lower outside of mandrel and the lower end of mandrel 2 and resists "T"-shaped pressure ring 4,
Cavity among the cavity of "T"-shaped pressure ring 4 and mandrel 2 forms latus rectum, and the upper and lower ends of guide sleeve 3 are provided with seal groove, appearance
Face and body internal surface, which are formed, to be sealed, and is provided with guide groove 16 among the outer surface of guide sleeve 3, and with the guide pin 14 on ontology 1
Cooperation, is provided with seal groove, sealing element is in body internal surface and mandrel on 11 corresponding 2 both sides outer surface of mandrel of bulk circulation hole
Outer surface forms sealing；The by-pass prot being aligned when circulating valve is in open position with circulation port on ontology 11 is provided among mandrel 2
9,9 upper end of mandrel by-pass prot is provided with seal groove, and sealing element forms sealing in mandrel outer surface and body internal surface, mandrel 2 it is upper
End is integral type ball seat 7, and the inner wall of ball seat 7 is provided with the slot 18 of several axial directions, endless hermetically sealed after solvable ball 6 falls on ball seat,
Some fluid is inner to dirty from the slot 18 inside ball seat.
The solvable ball 6 is hollow, and inside is vacuum or is filled with gas.
As shown in figure 5, guide groove of the guide groove 16 for a circle waveform broken line, adjacent two slot lowermost ends one are high
One is low, the 20 alternate setting of deep trouth 19 and shallow slot of formation.8th, 10,12,13,15 be O-ring seals.
According to the requirement of detail design, install with circulating valve under drilling well, recycled in bottom drilling assembly upper end
During construction operation, solvable ball 6 is put into first, controls discharge capacity, and pumping ball enters ball seat 7, increases discharge capacity, and mandrel 2 overcomes compression spring 5
Guide sleeve 3 and "T"-shaped pressure ring 4 downlink together are pushed, when guide pin 14 is from A to the B from guide sleeve in guide groove 16 (as schemed
Shown in 5), mandrel stops downlink, and the circulation port 11 on ontology 1 is aligned with the upper end of mandrel by-pass prot 9 at this time.Fluid is from ball seat 7
Interior groove flows out, and a part flows to drill bit, and a part flows to circulation port 11 on ontology, and tool is in first open position, (Fig. 2
It is shown).After a period of time, solvable ball dissolves 6, splits under the action of inside and outside differential pressure, and lower part compressed spring 5 pushes " T " at this time
Shape pressure ring 4, guide sleeve 3, mandrel 2 uplink together, (such as Fig. 5 when guide pin 14 is from B to the C from guide sleeve in guide groove 16
It is shown), mandrel 2 stops uplink, and circulation port 11 is aligned with 9 lower end of mandrel by-pass prot on ontology 1 at this time, can carry out cycle construction and make
Industry, fluid can go out outflow cycle from ontology bypass and drill bit simultaneously, and tool is in second open position (as shown in Figure 3).Cycle
After job execution, second solvable ball is put into, tool mandrel 2 overcomes spring 5 to push guide sleeve 3 and "T"-shaped pressure ring 4 together
Downlink, when guide pin 14 is from C to the D from guide sleeve in guide groove 16 (as shown in Figure 5), mandrel stops downlink, treats that ball is molten
After change, uplink, guide pin 14 return to just mandrel 2 at this time from D to the E from guide sleeve in guide groove 16 under the action of the spring
Beginning position, circulating valve are closed, and can carry out the normally operations such as drilling.
The utility model cycle valve body upper end is connect with drill rod thread, lower end jointed rod or other tools, using can
The switch of molten ball implementation tool simplifies the structure of tool.The inside of ball seat is provided with the slot of several axial directions, ball take a seat after still
It can carry out small displacement cycle.Suitable operational discharge capacity ensures that the pressure drop formed on ball seat can push mandrel downlink.On guide sleeve
Guide groove is provided with, the stroke of limitation mandrel is coordinated with guide pin, so as to control the switch of tool."T"-shaped pressure is cased with above spring
Ring ensure that tool smooth working.
In conclusion the content of the utility model is not limited in the above embodiments, in same area it is insighted it
Scholar can easily propose other embodiments within the technological guidance's thought of the utility model, but this embodiment is all wrapped
It includes within the scope of the utility model.
Claims (3)
1. one kind is with circulating valve under drilling well, which is characterized in that including ontology (1), mandrel (2), guide sleeve (3), "T"-shaped pressure ring
(4), compressed spring (5), solvable ball (6), ball seat (7), by-pass prot (9), circulation port (11), guide pin (14), guide groove (16),
The ontology (1) of circulating valve is upper end, cylinder of the lower end with spiral shell button, is set on ontology (1) side wall there are two circulation port (11),
One step (17) is arranged at ontology (1) inner cavity lower part, and compressed spring (5) lower end is resisted against on the step (17) of body interior, upper end cap
Small end in "T"-shaped pressure ring (4), the centre of "T"-shaped pressure ring (4) are sleeved on the guide sleeve of mandrel (2) lower outside with cavity
(3) lower end and the lower end of mandrel (2) resists "T"-shaped pressure ring (4), and the cavity and mandrel (2) of "T"-shaped pressure ring (4) are intermediate to be led to
Chamber forms latus rectum, and the upper and lower ends of guide sleeve (3) are provided with seal groove, and outer surface forms with body internal surface and seals, guide sleeve
(3) guide groove (16) is provided among outer surface, and is coordinated with the guide pin (14) on ontology (1), in bulk circulation hole (11)
Seal groove is provided on corresponding mandrel (2) both sides outer surface, sealing element forms sealing in body internal surface and mandrel outer surface；Core
The by-pass prot (9) being aligned when circulating valve is in open position with circulation port on ontology (11), mandrel by-pass prot are provided among axis (2)
(9) upper end is provided with seal groove, and sealing element forms sealing in mandrel outer surface and body internal surface, and the upper end of mandrel (2) is one
Formula ball seat (7), the inner wall of ball seat (7) is provided with the slot (18) of several axial directions, endless hermetically sealed after solvable ball (6) falls on ball seat,
Some fluid is inner to dirty from the slot (18) inside ball seat.
2. according to claim 1 with circulating valve under drilling well, which is characterized in that the solvable ball (6) is hollow, and inside is
Vacuum is filled with gas.
3. according to claim 1 with circulating valve under drilling well, which is characterized in that the guide groove (16) is a circle waveform folding
The guide groove of line, adjacent two slot lowermost ends are one high and one low, the deep trouth (19) of formation and the alternate setting of shallow slot (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575466.XU CN207568557U (en) | 2017-11-22 | 2017-11-22 | With circulating valve under drilling well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575466.XU CN207568557U (en) | 2017-11-22 | 2017-11-22 | With circulating valve under drilling well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568557U true CN207568557U (en) | 2018-07-03 |
Family
ID=62691379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721575466.XU Expired - Fee Related CN207568557U (en) | 2017-11-22 | 2017-11-22 | With circulating valve under drilling well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568557U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162668A (en) * | 2018-10-13 | 2019-01-08 | 中石化石油工程技术服务有限公司 | Multi-functional multiple switching circulating valve |
| CN110374546A (en) * | 2019-07-16 | 2019-10-25 | 中国石油化工股份有限公司 | It is a kind of to cross cable top package device |
| CN112554843A (en) * | 2019-09-26 | 2021-03-26 | 中国石油化工股份有限公司 | Multiple-switch circulating valve |
| CN113756747A (en) * | 2021-09-08 | 2021-12-07 | 中国石油天然气集团有限公司 | Multiple switch bypass system |
-
2017
- 2017-11-22 CN CN201721575466.XU patent/CN207568557U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162668A (en) * | 2018-10-13 | 2019-01-08 | 中石化石油工程技术服务有限公司 | Multi-functional multiple switching circulating valve |
| CN110374546A (en) * | 2019-07-16 | 2019-10-25 | 中国石油化工股份有限公司 | It is a kind of to cross cable top package device |
| CN110374546B (en) * | 2019-07-16 | 2021-09-28 | 中国石油化工股份有限公司 | Over-cable top sealing device |
| CN112554843A (en) * | 2019-09-26 | 2021-03-26 | 中国石油化工股份有限公司 | Multiple-switch circulating valve |
| CN113756747A (en) * | 2021-09-08 | 2021-12-07 | 中国石油天然气集团有限公司 | Multiple switch bypass system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210915 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd., No. 83, Second Street, economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |