CN208473706U - Compound direction drilling tool structure in a kind of horizontal segment drillng operation - Google Patents
Compound direction drilling tool structure in a kind of horizontal segment drillng operation Download PDFInfo
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- CN208473706U CN208473706U CN201821014524.6U CN201821014524U CN208473706U CN 208473706 U CN208473706 U CN 208473706U CN 201821014524 U CN201821014524 U CN 201821014524U CN 208473706 U CN208473706 U CN 208473706U
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- wiper block
- horizontal segment
- stabilizer
- single bend
- surface controllable
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Abstract
Compound direction drilling tool structure in a kind of horizontal segment drillng operation of the utility model, including PDC drill bit, surface controllable tapered stabilizer and single bend PDM, the PDC drill bit, surface controllable tapered stabilizer and single bend PDM are sequentially connected；The single bend PDM is equipped with screw rod stabilizer.The surface controllable tapered stabilizer built-in sensors and micro-machine, sensor and micro-machine electrical connection, surface controllable tapered stabilizer is externally provided with fixed wiper block and flexible wiper block, and fixed wiper block is located in flexible wiper block, and runner is equipped between fixed wiper block and flexible wiper block.The utility model reaches whole hold angle TRAJECTORY CONTROL by controlling flexible wiper block and stretching come combined drilling.To realize the fricton-tight operation drilling of horizontal segment, shortens the drilling period of horizontal segment, improve bit speed, simplify operational procedure, reduce drilling cost.
Description
Technical field
The utility model relates to compound direction drilling tool structures in a kind of horizontal segment drillng operation, are suitble to horizontal segment drillng operation
The drilling tool structure of track is always controlled by composite guide.
Background technique
In petroleum drilling operation, during wellbore construction, it is extremely difficult in horizontal well horizontal segment drilling operation course steady
, there is increasing hole angle under normal conditions in ramp-like state, since oil reservoir is generally distributed in the horizontal direction, can only slide drop angle by single bend PDM
Inhibit increasing hole angle, the sliding serious construction efficiency of backing pressure is low be restrict drilling period shortens and overall cost reduces major reason it
One.By the compound direction drilling tool structure very good solution low problem of construction efficiency, shorten drilling period.
Utility model content
For solution horizontal segment hold angle is difficult, technical problem present in sliding backing pressure technology, the utility model provides one kind
Compound direction drilling tool structure in horizontal segment drillng operation, the purpose of this utility model are big by adjusting near-bit stabilizer outer diameter
It is small, realize during compound drilling guide digging up and down, reach hold angle purpose on the whole, improve bit speed, save drilling well at
This.
The technical solution adopted in the utility model are as follows:
Compound direction drilling tool structure in a kind of horizontal segment drillng operation, including PDC drill bit, surface controllable tapered stabilizer and
Single bend PDM, the PDC drill bit, surface controllable tapered stabilizer and single bend PDM are sequentially connected；On the single bend PDM
Equipped with screw rod stabilizer.
The PDC drill bit is the long gauge PDC diamond bit of outer diameter 215.9mm.
The surface controllable tapered stabilizer built-in sensors and micro-machine, sensor and micro-machine electrical connection,
Surface controllable tapered stabilizer is externally provided with fixed wiper block and flexible wiper block, and fixed wiper block is located in flexible wiper block, and
Fixed wiper block outer diameter is 198mm, and maximum outside diameter is 210mm when the wiper block that stretches stretches out；Fixed wiper block and flexible wiper block
Between be equipped with runner.
Maximum outside diameter is 210mm when the flexible wiper block of the surface controllable tapered stabilizer stretches out, and when contraction is maximum
Outer diameter is 198mm.
7 meters of the single bend PDM length, single bend PDM body diameter 172mm are outer after screw rod stabilizer on single bend PDM
Diameter 210mm, single bend PDM camber are 1.25 degree, and curved point is apart from 0.7 meter of single bend PDM bottom end.
The utility model has the following beneficial effects:
In the utility model, using sequentially connected PDC drill bit, surface controllable tapered stabilizer, the list for taking stabilizer
Skew-swept airfoil.Outer diameter by controlling tapered stabilizer needs to reach perfect condition.Tapered stabilizer stretches out outer diameter 210mm, compound
Degree/100 meter rate of increase of angle 1-3, it is 198mm that tapered stabilizer wiper block, which shrinks back outer diameter, is formed and is inverted bistable device structure, compound
Rate of increase of angle is controlled-2 ----1 °/100 meters, reach whole hold angle rail by controlling flexible wiper block and stretching come combined drilling
Mark control.To realize the fricton-tight operation drilling of horizontal segment, shortens the drilling period of horizontal segment, improve bit speed, simplify
Operational procedure reduces drilling cost.
It is further detailed below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is surface controllable tapered stabilizer structural schematic diagram.
Fig. 3 is the C--C cross-sectional view of Fig. 2.
In figure, appended drawing reference are as follows: 1, PDC drill bit；2, surface controllable tapered stabilizer, 3, single bend PDM；4, steady on screw rod
Determine device；5, fixed wiper block；6, stretch wiper block.
Specific embodiment
Embodiment 1:
For solution horizontal segment hold angle is difficult, technical problem present in sliding backing pressure technology, the utility model is provided as schemed
Compound direction drilling tool structure in a kind of horizontal segment drillng operation shown in 1-3, the purpose of this utility model are by adjusting close bore
Head stabilizer outer diameter size realizes during compound drilling guide digging up and down, reaches hold angle purpose on the whole, improve drilling well speed
Degree saves drilling cost.
Compound direction drilling tool structure in a kind of horizontal segment drillng operation, including PDC drill bit 1, surface controllable tapered stabilizer 2
With single bend PDM 3, the PDC drill bit 1, surface controllable tapered stabilizer 2 and single bend PDM 3 are sequentially connected；The list is curved
Screw rod 3 is equipped with screw rod stabilizer 4.
In horizontal segment work progress, needs to carry out increasing hole angle according to geosteering or drop angle controls.
When needing increasing hole angle, control 2 diameter of surface controllable tapered stabilizer increases, turn on pump 1 minute, termination of pumping 1 minute, turn on pump
1 minute, termination of pumping 1 minute, turn on pump 1 minute, termination of pumping 6 minutes, at this moment surface controllable tapered stabilizer 2 opens oil after receiving signal
Road, 2 diameter of surface controllable tapered stabilizer increase, and well track is oriented to upward increasing hole angle when compound drilling.
When needing drop angle, shunk by control 2 diameter of surface controllable tapered stabilizer, turn on pump 1 minute, termination of pumping 1 minute,
Turn on pump 2 minutes, termination of pumping 1 minute, turn on pump 1 minute, termination of pumping 6 minutes, at this moment surface controllable tapered stabilizer 2 closed after receiving signal
Close oil circuit, 2 diameter of surface controllable tapered stabilizer is shunk, and well track is oriented to downward drop angle when compound drilling.
Flexible by control surface controllable tapered stabilizer 2 is controlled come compound steerable drilling to reach whole hold angle track
System.To realize the fricton-tight operation drilling of horizontal segment, shortens the drilling period of horizontal segment, improve bit speed, simplify construction
Program reduces drilling cost.
In the utility model, using sequentially connected PDC drill bit 1, surface controllable tapered stabilizer 2 and single bend PDM 3.It is logical
The outer diameter for crossing control surface controllable tapered stabilizer 2 needs to reach perfect condition.Surface controllable tapered stabilizer 2 stretches out outer diameter
Degree/100 meter 210mm, compound rate of increase of angle 1-3, it is 198mm that surface controllable tapered stabilizer 2, which shrinks back outer diameter, is formed and is inverted bistable
Determine device structure, compound rate of increase of angle control is -2 --- it-1 °/100 meters, is reached by controlling flexible wiper block and stretching come combined drilling
To whole hold angle TRAJECTORY CONTROL.To realize the fricton-tight operation drilling of horizontal segment, shortens the drilling period of horizontal segment, improve and bore
Well speed simplifies operational procedure, reduces drilling cost.
Embodiment 2:
On the basis of based on the above embodiment, in the present embodiment, the PDC drill bit is the long gauge of outer diameter 215.9mm
PDC diamond bit.
2 built-in sensors of surface controllable tapered stabilizer and micro-machine, sensor and micro-machine electrical connection,
Surface controllable tapered stabilizer 2 is externally provided with fixed wiper block 5 and flexible wiper block 6, and fixed wiper block 5 is located at flexible wiper block 6
It is interior, and fixed wiper block outer diameter is 198mm, maximum outside diameter is 210mm when the wiper block that stretches stretches out；It fixes wiper block 5 and stretches
Runner is equipped between wiper block 6.
Maximum outside diameter is 210mm when the flexible wiper block 6 of the surface controllable tapered stabilizer 2 stretches out, when contraction most
Big outer diameter is 198mm.
As shown in Figures 2 and 3, it in horizontal segment work progress, needs to carry out increasing hole angle according to geosteering or drop angle controls.
When needing increasing hole angle, is controlled by ground and stretch out flexible wiper block 6, turn on pump 1 minute, termination of pumping 1 minute, turn on pump 1
Minute, termination of pumping 1 minute, turn on pump 1 minute, termination of pumping 6 minutes, at this moment the inductor inside surface controllable tapered stabilizer 2 receives
Oil circuit is opened after signal, the wiper block 6 that stretches stretches out, and well track is oriented to upward increasing hole angle when compound drilling.
When needing drop angle, is controlled by ground and shrink flexible wiper block 6, turn on pump 1 minute, termination of pumping 1 minute, turn on pump 2
Minute, termination of pumping 1 minute, turn on pump 1 minute, termination of pumping 6 minutes, at this moment the inductor inside surface controllable tapered stabilizer 2 receives
Oil circuit is closed after signal, the wiper block 6 that stretches is shunk, and well track is oriented to downward drop angle when compound drilling.
Flexible wiper block 6 by controlling reducing is flexible to reach whole hold angle TRAJECTORY CONTROL come compound steerable drilling.
To realize the fricton-tight operation drilling of horizontal segment, shortens the drilling period of horizontal segment, improve bit speed, simplify construction journey
Sequence reduces drilling cost.
Embodiment 3:
On the basis of above-mentioned two embodiment, in the present embodiment, 7 meters of 3 length of single bend PDM, single bend PDM
3 body diameter 172mm, outer diameter 210mm after screw rod stabilizer 4 on single bend PDM 3,3 camber of single bend PDM is 1.25 degree, curved point away from
0.7 meter from 3 bottom end of single bend PDM.
As shown in Figure 1, PDC drill bit 1, institute's bored borehole is 215.9mm；Surface controllable tapered stabilizer 2 is entire tool
Key structure, fixed 5 outer diameter 198mm of wiper block, maximum outside diameter is 210mm when the wiper block 6 that stretches stretches out, and surface controllable variable diameter is steady
The center of device 2 and screw rod stabilizer 4 is determined away from being 7 meters.
In the utility model, using sequentially connected PDC drill bit 1, surface controllable tapered stabilizer 2 and single bend PDM 3.It is logical
The outer diameter for crossing control surface controllable tapered stabilizer 2 needs to reach perfect condition.Surface controllable tapered stabilizer 2 stretches out outer diameter
Degree/100 meter 210mm, compound rate of increase of angle 1-3, it is 198mm that surface controllable tapered stabilizer 2, which shrinks back outer diameter, is formed and is inverted bistable
Determine device structure, compound rate of increase of angle control is -2 ----1 °/100 meters, by control flexible wiper block 6 stretch come combined drilling come
Reach whole hold angle TRAJECTORY CONTROL.To realize the fricton-tight operation drilling of horizontal segment, shortens the drilling period of horizontal segment, improve
Bit speed simplifies operational procedure, reduces drilling cost.
The utility model is not limited to above-mentioned preferred embodiment, and anyone should learn that the enlightenments in the utility model
Under the structure change made, it is all that there is same or similar technical solution with the utility model, it is practical new to belong to this
The protection scope of type.Structure and its component in the utility model for detailed description are the prior art, will in the utility model
No longer it is further detailed.
Claims (5)
1. compound direction drilling tool structure in a kind of horizontal segment drillng operation, it is characterised in that: including PDC drill bit (1), surface controllable
Tapered stabilizer (2) and single bend PDM (3), the PDC drill bit (1), surface controllable tapered stabilizer (2) and single bend PDM
(3) it is sequentially connected；The single bend PDM (3) is equipped with screw rod stabilizer (4).
2. compound direction drilling tool structure in a kind of horizontal segment drillng operation according to claim 1, it is characterised in that: described
PDC drill bit be outer diameter 215.9mm long gauge PDC diamond bit.
3. compound direction drilling tool structure in a kind of horizontal segment drillng operation according to claim 1, it is characterised in that: described
Surface controllable tapered stabilizer (2) built-in sensors and micro-machine, sensor and micro-machine electrical connection, surface controllable become
Diameter stabilizer (2) is externally provided with fixed wiper block (5) and flexible wiper block (6), and fixed wiper block (5) are located at flexible wiper block (6)
It is interior, and fixed wiper block outer diameter is 198mm, maximum outside diameter is 210mm when the wiper block that stretches stretches out；It fixed wiper block (5) and stretches
Runner is equipped between contracting wiper block (6).
4. compound direction drilling tool structure in a kind of horizontal segment drillng operation according to claim 1, it is characterised in that: described
The flexible wiper block (6) of surface controllable tapered stabilizer (2) when stretching out maximum outside diameter be 210mm, maximum outside diameter is when contraction
198mm。
5. compound direction drilling tool structure in a kind of horizontal segment drillng operation according to claim 1, it is characterised in that: described
7 meters of length of single bend PDM (3), single bend PDM (3) body diameter 172mm, screw rod stabilizer (4) is outer afterwards on single bend PDM (3)
Diameter 210mm, single bend PDM (3) camber are 1.25 degree, and curved point is apart from 0.7 meter of single bend PDM (3) bottom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821014524.6U CN208473706U (en) | 2018-06-29 | 2018-06-29 | Compound direction drilling tool structure in a kind of horizontal segment drillng operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821014524.6U CN208473706U (en) | 2018-06-29 | 2018-06-29 | Compound direction drilling tool structure in a kind of horizontal segment drillng operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208473706U true CN208473706U (en) | 2019-02-05 |
Family
ID=65211787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821014524.6U Active CN208473706U (en) | 2018-06-29 | 2018-06-29 | Compound direction drilling tool structure in a kind of horizontal segment drillng operation |
Country Status (1)
| Country | Link |
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| CN (1) | CN208473706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681978A (en) * | 2019-10-18 | 2021-04-20 | 中国石油天然气集团有限公司 | Tilt stabilizing control method for rotary guide system |
-
2018
- 2018-06-29 CN CN201821014524.6U patent/CN208473706U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681978A (en) * | 2019-10-18 | 2021-04-20 | 中国石油天然气集团有限公司 | Tilt stabilizing control method for rotary guide system |
| CN112681978B (en) * | 2019-10-18 | 2022-11-11 | 中国石油天然气集团有限公司 | Tilt stabilizing control method for rotary guide 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: 20201104 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: Weiyang road 710018 Shaanxi city of Xi'an province Changqing No. 151 building room 1902 Patentee before: CNPC CHUANQING DRILLING ENGINEERING CO., LTD. CHANGQING WELL DRILLING GENERAL Co. |
|
| TR01 | Transfer of patent right |