CN106437588B - A kind of horizontal well continuous tubing drill mill operation construction method - Google Patents
A kind of horizontal well continuous tubing drill mill operation construction method Download PDFInfo
- Publication number
- CN106437588B CN106437588B CN201610933487.8A CN201610933487A CN106437588B CN 106437588 B CN106437588 B CN 106437588B CN 201610933487 A CN201610933487 A CN 201610933487A CN 106437588 B CN106437588 B CN 106437588B
- Authority
- CN
- China
- Prior art keywords
- brill
- pump
- suspending weight
- coiled tubing
- pump pressure
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 241001074085 Scophthalmus aquosus Species 0.000 claims abstract description 74
- 230000007423 decrease Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 4
- 230000008094 contradictory effect Effects 0.000 claims description 3
- 238000001802 infusion Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 239000002131 composite material Substances 0.000 description 8
- 238000005553 drilling Methods 0.000 description 8
- 238000000227 grinding Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000009096 changqing Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of horizontal well continuous tubing drills to grind operation construction method, according to the tripping in length of pump pressure and the variation control coiled tubing of suspending weight, that is, brill amount is sent, but regardless of the size of bit pressure of the actual loaded on junk mill or drill bit；Loaded after sending brill amount, kept pump note discharge capacity, stop sending brills, waited for that pump pressure and suspending weight are restored to load and send the level before brill amount, reload one earlier above a cycle it is slightly larger send brill amount, meanwhile, a higher pump pressure and a lower suspending weight can be responded；It keeps pump note discharge capacity, stop sending brill, loaded after being pumped and suspending weight restores, then by aforementioned process successively bit pressure, send and be drilled into drilled Wu Di circle, bored except drilled object.The problems such as blindly sending brill and excessive pressurization is avoided, grasps and operates convenient for Field Force, pump pressure greatly improves horizontal well continuous tubing drill mill job execution efficiency.
Description
Technical field
The invention belongs to coiled tubing technical field of construction, and in particular to a kind of horizontal well continuous tubing drill mill job execution
Method.
Background technology
Currently, although horizontal well continuous tubing drill mill job design method is more, cover tubular buckling, hydraulic parameters, work
Tool and technique etc., but because implementing well in well track, pit shaft situation, wellbore clean-up performance, drilled species type etc.
Difference, often precision and specific aim are poor for above-mentioned all kinds of methods, it is difficult to play effective directive function to site operation personnel.Such as
Because of the special casing programme of the characteristic and horizontal well of coiled tubing tubing itself, coiled tubing exists to be tightly attached in horizontal segment goes into the well
The complex states such as wall, sinus-curve, Helical Buckling.The bit pressure value and actual loaded surveyed on ground when drilling and grinding operation are boring grinder
Bit pressure value on tool is not inconsistent, and the design method of bit pressure is often too general, does not account for the special wellbore conditions of individual well, specific aim
Difference, it is limited to the directive function of construction.
Existing level well continuous tubing drill mill technology mainly has following each feature：
First, concern drilling depth, ignorance cycle.Ignoring well liquid cycle necessarily leads to uncleanly pit shaft, and pit shaft is unclean to be made
Grinder condition complexity is bored at underground and construction parameter is abnormal, especially certain construction parameters are but difficult to reasonably be explained extremely,
Often influence Construction Decision；
Second is that sending brill operation not fine.For pump pressure and discharge capacity when horizontal well drilling and grinding operation relatively send brill amount, have certain
Hysteresis quality, unreasonable send brill amount to often lead to suppress the complex working conditions such as pump.Sometimes it is to pursue drilling depth to take control running speed not
Between forfeit the method for brill；
Third, ignoring the variation of pump pressure.Pump pressure is that horizontal well drilling and grinding operation shaft bottom operating mode quality is most directly shown, is ignored
The variation of pump pressure cannot grasp underground working in time.
Invention content
The purpose of the present invention is overcome the problems such as blindly sending brill and excessive pressurization in the prior art.
For this purpose, the present invention provides a kind of horizontal well continuous tubing drills to grind operation construction method, include the following steps：
Step 1）Ground check and group connect brill mill tool pipe string, test motor performance, enter well after qualified；
Step 2）Lower brill mill tool pipe string allows minimum injection rate to start pump note to after kickoff point (KOP) 50-100m with motor,
The tripping in coiled tubing in Beng Zhu；
After step 3) enters horizontal segment, pump note discharge capacity is improved to rated motor maximum pump discharge；
Step 4) lifts from the top and puts down coiled tubing to clean pit shaft within the scope of drilled Wu Ding circle 200-300m, and liquid to be returned connects
After continuous stabilization, pump surge are less than 0.5MPa, stopping removes coiled tubing, steady tripping in coiled tubing to drilled Wu Ding circle or more
Stop tripping in after 2-3m, record is pumped P at this time1, suspending weight T1；
Step 5）Steady tripping in coiled tubing, after contradicting to drilled object, pump pressure rises, and sounds out repeatedly several times, confirms and visit
The drilled positions Wu Ding circle of standard；
Step 6）After determining the drilled positions Wu Ding circle, carry out sending brill to be less than 1cm/min tripping in coiled tubing, when in pump pressure
Rise to P2When stop sending brills, at this time send brill amount for L1, suspending weight drops to T2；
Step 7）Pump note discharge capacity is kept, until pump pressure gradually decreases down P1, while suspending weight gradually rises up to T1；Wherein, P1＜
P1＜ P2, T2＜ T1＜ T1；
Step 8）It after being pumped and suspending weight is steady, carries out sending brill to be less than 1cm/min tripping in coiled tubing, when pump pressure rises
To P3When stop sending brills, at this time send brill amount for L2, suspending weight drops to T3；
Step 9）Pump note discharge capacity is kept, until pump pressure gradually decreases down P2, suspending weight gradually rise up to T2；Wherein, P1＜ P2＜
P2＜ P3, T3＜ T2＜ T2＜ T1；
Step 10）After being pumped and suspending weight is steady, carry out sending brill to be less than 1cm/min tripping in coiled tubing, when in pump pressure
Rise to PnWhen stop sending brills, at this time send brill amount for Ln-1, suspending weight drops to Tn；Pump note discharge capacity is kept, until pump pressure is gradually reduced
To Pn-1, while suspending weight gradually rises up to Tn-1；Wherein, Pn-2＜ Pn-1＜ Pn-1＜ Pn, Tn＜ Tn-1＜ Tn-1＜ Tn-2；
Step 11）Repeat step 10）, send and be drilled into drilled Wu Di circle, bore except drilled object；
Step 12）Continuous infusion and lower coiled tubing act coiled tubing to projected depth, bore mill tool pipe string to away from
After well head distance is less than 200m, stop pump note.
The brill grinds tool pipe string by coiled tubing connector, check valve, releasing tool, jarring tool, motor, junk mill or brill
Connection forms head from top to bottom.
The P1＜ P2＜ ... Pn-1＜ Pn, and Pn1.2 P of ＜n-1, PnAnd P1Difference be less than rated motor maximum pressure drop, institute
State P1＜ P2＜ ... ＜ Pn-1, and Pn＜ P n≤1.01 Pn, n is positive integer.
The Ln-1≥1.1Ln-2, n be >=3 positive integer.
The T1＞ T2＞ T3＞ ... ＞ Tn, and Tn-11.2 T of ＜n, the T1＞ T2＞ T3＞ ... ＞ Tn-1, and Tn＜ Tn≤
1.01 Tn, n is positive integer.
The step 4）In pump pressure P1With suspending weight T1, be working liquid capability is stable, pump note discharge capacity is stable, wellbore clean without
Sundries returns liquid continuous-stable, bores pump pressure and suspending weight that ground when grinder has the 2-3m pit shafts above positioned at drilled Wu Ding circle is surveyed.
The step 6）In send brill amount L1For the tripping in length of the coiled tubing of ground actual measurement, brill amount L is sent1Less than 1cm.
The step 7）In gradually decrease down P when pump pressure1, and suspending weight does not rise to T1When, it lifts from the top and puts down in the wellbore continuous
Oil pipe, until pump pressure is restored to P1Suspending weight restores to T simultaneously1。
The drilled object is the brill mill object during insulating object or well workover in the legacy or recovery process cemented the well temporarily.
The beneficial effects of the invention are as follows：This horizontal well continuous tubing drill provided by the invention grinds operation construction method, base
In pump pressure, suspending weight and the horizontal well continuous tubing drill mill operation construction method to pressurize step by step stage by stage for sending brill amount avoid blind
The problems such as following brill and excessive pressurization with one's eyes, grasps and is operated convenient for Field Force, and pump pressure greatly improves horizontal well coiled tubing
Drilling and grinding operation construction efficiency.
It is described in further details below in conjunction with attached drawing.
Description of the drawings
Fig. 1 is pump pressure at different levels in implementation process of the present invention, suspending weight, the relational graph for sending brill amount.
Specific implementation mode
Embodiment 1：
A kind of horizontal well continuous tubing drill mill operation construction method is present embodiments provided, is included the following steps：
Step 1）Ground check and group connect brill mill tool pipe string, test motor performance, enter well after qualified；
Step 2）Lower brill mill tool pipe string allows minimum injection rate to start pump note to after kickoff point (KOP) 50-100m with motor,
The tripping in coiled tubing in Beng Zhu；
After step 3) enters horizontal segment, pump note discharge capacity is improved to rated motor maximum pump discharge；
Step 4) lifts from the top and puts down coiled tubing to clean pit shaft within the scope of drilled Wu Ding circle 200-300m, and liquid to be returned connects
After continuous stabilization, pump surge are less than 0.5MPa, stopping removes coiled tubing, steady tripping in coiled tubing to drilled Wu Ding circle or more
Stop tripping in after 2-3m, record is pumped P at this time1, suspending weight T1；
Step 5）Steady tripping in coiled tubing, after contradicting to drilled object, pump pressure rises, and sounds out repeatedly several times, confirms and visit
The drilled positions Wu Ding circle of standard；
Step 6）After determining the drilled positions Wu Ding circle, carry out sending brill to be less than 1cm/min tripping in coiled tubing, when in pump pressure
Rise to P2When stop sending brills, at this time send brill amount for L1, suspending weight drops to T2；
Step 7）Pump note discharge capacity is kept, until pump pressure gradually decreases down P1, while suspending weight gradually rises up to T1；Wherein, P1＜
P1＜ P2, T2＜ T1＜ T1；
Step 8）It after being pumped and suspending weight is steady, carries out sending brill to be less than 1cm/min tripping in coiled tubing, when pump pressure rises
To P3When stop sending brills, at this time send brill amount for L2, suspending weight drops to T3；
Step 9）Pump note discharge capacity is kept, until pump pressure gradually decreases down P2, suspending weight gradually rise up to T2；Wherein, P1＜ P2＜
P2＜ P3, T3＜ T2＜ T2＜ T1；
Step 10）After being pumped and suspending weight is steady, carry out sending brill to be less than 1cm/min tripping in coiled tubing, when in pump pressure
Rise to PnWhen stop sending brills, at this time send brill amount for Ln-1, suspending weight drops to Tn；Pump note discharge capacity is kept, until pump pressure is gradually reduced
To Pn-1, while suspending weight gradually rises up to Tn-1；Wherein, Pn-2＜ Pn-1＜ Pn-1＜ Pn, Tn＜ Tn-1＜ Tn-1＜ Tn-2；
Step 11）Repeat step 10）, send and be drilled into drilled Wu Di circle, bore except drilled object；
Step 12）Continuous infusion and lower coiled tubing act coiled tubing to projected depth, bore mill tool pipe string to away from
After well head distance is less than 200m, stop pump note.
The principle of the invention：According to the tripping in length of pump pressure and the variation control coiled tubing of suspending weight, that is, brill amount is sent, but regardless of
The size of bit pressure of the actual loaded on junk mill or drill bit；It has loaded after sending brill amount, has kept pump note discharge capacity, stops sending brill, wait pumping
Pressure and suspending weight are restored to load and send the level before brill amount, are a bit pressure loading cycle；Reloading one, a cycle is slightly earlier above
It is big to send brill amount, meanwhile, a higher pump pressure and a lower suspending weight can be responded；It keeps pump note discharge capacity, stop sending brill, wait for
After pump pressure and suspending weight restore, second bit pressure loading cycle terminates；So cycle, until boring except drilled object.Drilling and grinding operation is constructed
Method includes n-1 bit pressure loading cycle.
Embodiment 2：
On the basis of embodiment 1, a kind of horizontal well continuous tubing drill mill operation construction method, institute are present embodiments provided
State brill mill tool pipe string by coiled tubing connector, check valve, releasing tool, jarring tool, motor, junk mill or drill bit from top to bottom
Connection composition.
As shown in Figure 1, the P1＜ P2＜ ... Pn-1＜ Pn, and Pn1.2 P of ＜n-1, PnAnd P1Difference be less than rated motor
Maximum pressure drop, the P1＜ P2＜ ... ＜ Pn-1, and Pn＜ P n≤1.01 Pn, n is positive integer.
The Ln-1≥1.1Ln-2, n be >=3 positive integer.
The T1＞ T2＞ T3＞ ... ＞ Tn, and Tn-11.2 T of ＜n, the T1＞ T2＞ T3＞ ... ＞ Tn-1, and Tn＜ Tn≤
1.01 Tn, n is positive integer.
Wherein, step 4）In pump pressure P1With suspending weight T1, be working liquid capability is stable, pump note discharge capacity is stable, wellbore clean without
Sundries returns liquid continuous-stable, bores pump pressure and suspending weight that ground when grinder has the 2-3m pit shafts above positioned at drilled Wu Ding circle is surveyed.
Step 6）In send brill amount L1For the tripping in length of the coiled tubing of ground actual measurement, brill amount L is sent1Less than 1cm.Pump pressure
P2With suspending weight T2For Land Surface Temperatures.
Step 7）In gradually decrease down P when pump pressure1, and suspending weight does not rise to T1When, continuous oil is lifted from the top and puted down in the wellbore
Pipe, until pump pressure is restored to P1Suspending weight restores to T simultaneously1。
Step 7) refers to that suspending weight rises while pump pressure declines, and otherwise, as it is not normal to bore grinder condition for underground.At this point, should not
It is eager to creep into, coiled tubing should be lifted from the top and puted down in the pit shaft in 50m length ranges, until pump pressure is restored to P1, suspending weight restore
To T1Afterwards, then step 8 is carried out）.
L1+L2+L3+…+Ln-1=L, L are drilled continuous length of the object in horizontal well.
The drilled object is the brill mill object during insulating object or well workover in the legacy or recovery process cemented the well temporarily.Gu
The legacy of well, such as the well cementation cement plug left, remaining attachment of cementing the well, the secondary cement plug left of cementing the well；In recovery process
Interim packing object, the sand plug being such as compacted, cannot voluntarily aquation rubber plug, composite bridge plug；Brill during well workover grinds object, such as well
Lower chance card junk, permanent isolating tool etc..
When multiple drilled objects are discontinuously distributed in horizontal wellbore, as set multiple composite bridge plugs in pit shaft, then this hair
Bright method is for the method bored except some composite bridge plug.
Embodiment 3：
On the basis of embodiment 2, present embodiments provides and operation construction method is ground using horizontal well continuous tubing drill, it is right
A bite horizontal well of Changqing oilfields carries out drilling and grinding operation.The well production casing diameter 124.26mm, horizontal segment length 1200m, it is horizontal
Composite bridge plug 8, single composite bridge plug length about 70cm, composite bridge plug average headway about 125m have been set in section.Using outer diameter
Brill mill is carried out for the coiled tubing of 50.8mm, bores mill tool combinations by core tool motor and junk mill and other auxiliary tool groups
At.
Tripping in coiled tubing constantly deepens junk mill depth and visits 1# bridge plugs position, and spy postpones in place, above proposes coiled tubing cleaning
Pit shaft is until returning fluid's continuous-stable, pump surge are less than 0.5MPa；Continue tripping in coiled tubing to the above 2-3m in plug face, at this time
Pump pressure is 15MPa, suspending weight 10t, discharge capacity 400L/min；After visiting in fact and confirm bridge plug position, start to bore mill；With the speed of 1cm/min
The steady decentralization coiled tubing of degree, when pump pressure rises to 16.5MPa, suspending weight drops to 9.6t, send brill amount to reach 4cm after stop giving
It bores, keeps the pump of 400L/min to note discharge capacity and bore mill；After 1min, pump pressure drops to 15.1MPa, while suspending weight rises to 10.1t；It protects
Pump note discharge capacity, observation pump pressure and suspending weight variation are held, checks returning fluid's situation.
By the observation of 1min times, pump pressure and suspending weight are steady.As stated above, continue to send brill, raising send brill measure to
6cm, control pump pressure are no more than 17.5MPa after rising, control suspending weight is not less than 8.5t after declining.After 2min bores mill, pump pressure
Restore respectively to 14.9MPa and 10.15t with suspending weight.
Pass through 20 bit pressure load phases as stated above, last 50min, 1# composite bridge plugs brill is removed.
By the method for boring mill 1# bridge plugs, 2#-8# composite bridge plugs brill is removed.
The common knowledge for the method and structure category industry that the above various embodiments does not describe in detail, is not chatted one by one here
It states.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
Be with the present invention it is same or analogous design all belong to the scope of protection of the present invention within.
Claims (8)
1. a kind of horizontal well continuous tubing drill grinds operation construction method, which is characterized in that include the following steps：
Step 1）Ground check and group connect brill mill tool pipe string, test motor performance, enter well after qualified；
Step 2）Lower brill mill tool pipe string allows minimum injection rate to start pump note, side pump to after kickoff point (KOP) 50-100m with motor
Note side tripping in coiled tubing；
After step 3) enters horizontal segment, pump note discharge capacity is improved to rated motor maximum pump discharge；
Step 4) lifts from the top and puts down coiled tubing to clean pit shaft within the scope of drilled Wu Ding circle 200-300m, and liquid to be returned is continuously steady
After fixed, pump surge is less than 0.5MPa, stopping removes coiled tubing, steady tripping in coiled tubing to the above 2-3m of drilled Wu Ding circle
After stop tripping in, record is pumped P at this time1, suspending weight T1；
Step 5）Steady tripping in coiled tubing, after contradicting to drilled object, pump pressure rises, and sounds out repeatedly several times, confirms and visit quasi- quilt
The positions Zuan Wuding circle；
Step 6）After determining the drilled positions Wu Ding circle, carry out sending brill to be less than 1cm/min tripping in coiled tubing, when pump pressure rises to
P2When stop sending brills, at this time send brill amount for L1, suspending weight drops to T2；
Step 7）Pump note discharge capacity is kept, until pump pressure gradually decreases down P1, while suspending weight gradually rises up to T1；Wherein, P1＜ P1＜
P2, T2＜ T1＜ T1；
Step 8）After being pumped and suspending weight is steady, carry out sending brill to be less than 1cm/min tripping in coiled tubing, when pump pressure rises to P3
When stop sending brills, at this time send brill amount for L2, suspending weight drops to T3；
Step 9）Pump note discharge capacity is kept, until pump pressure gradually decreases down P2, suspending weight gradually rise up to T2；Wherein, P1＜ P2＜ P2＜
P3, T3＜ T2＜ T2＜ T1；
Step 10）After being pumped and suspending weight is steady, carry out sending brill to be less than 1cm/min tripping in coiled tubing, when pump pressure rises to Pn
When stop sending brills, at this time send brill amount for Ln-1, suspending weight drops to Tn；Pump note discharge capacity is kept, until pump pressure gradually decreases down Pn-1,
Suspending weight gradually rises up to T simultaneouslyn-1；Wherein, Pn-2＜ Pn-1＜ Pn-1＜ Pn, Tn＜ Tn-1＜ Tn-1＜ Tn-2, Ln-1≥1.1Ln-2, n is
>=3 positive integer；
Step 11）Repeat step 10）, send and be drilled into drilled Wu Di circle, bore except drilled object；
Step 12）Continuous infusion and lower coiled tubing act coiled tubing to projected depth, bore mill tool pipe and string to away from well head
After distance is less than 200m, stop pump note.
2. a kind of horizontal well continuous tubing drill according to claim 1 grinds operation construction method, it is characterised in that：The brill
Mill tool pipe string is connected from top to bottom by coiled tubing connector, check valve, releasing tool, jarring tool, motor, junk mill or drill bit
Composition.
3. a kind of horizontal well continuous tubing drill according to claim 1 grinds operation construction method, it is characterised in that：The P1
＜ P2＜ ... Pn-1＜ Pn, and Pn1.2 P of ＜n-1, PnAnd P1Difference be less than rated motor maximum pressure drop, the P1＜ P2＜ ... ＜
Pn-1, and Pn＜ P n≤1.01 Pn。
4. a kind of horizontal well continuous tubing drill according to claim 1 grinds operation construction method, it is characterised in that：The T1
＞ T2＞ T3＞ ... ＞ Tn, and Tn-11.2 T of ＜n, the T1＞ T2＞ T3＞ ... ＞ Tn-1, and Tn＜ Tn≤1.01 Tn。
5. a kind of horizontal well continuous tubing drill according to claim 1 grinds operation construction method, it is characterised in that：The step
Rapid 4）In pump pressure P1With suspending weight T1, for working liquid capability is stable, pump note discharge capacity stabilization, wellbore clean no-sundries, to return liquid continuously steady
Determine, bore pump pressure and suspending weight that ground when grinder has the 2-3m pit shafts above positioned at drilled Wu Ding circle is surveyed.
6. a kind of horizontal well continuous tubing drill according to claim 1 grinds operation construction method, it is characterised in that：The step
Rapid 6）In send brill amount L1For the tripping in length of the coiled tubing of ground actual measurement, brill amount L is sent1Less than 1cm.
7. a kind of horizontal well continuous tubing drill according to claim 1 grinds operation construction method, it is characterised in that：The step
Rapid 7）In gradually decrease down P when pump pressure1, and suspending weight does not rise to T1When, coiled tubing is lifted from the top and puted down in the wellbore, until pump pressure
Restore to P1Suspending weight restores to T simultaneously1。
8. a kind of horizontal well continuous tubing drill according to claim 1 grinds operation construction method, it is characterised in that：The quilt
Bore the brill mill object during insulating object or well workover in the legacy or recovery process that object is well cementation temporarily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933487.8A CN106437588B (en) | 2016-10-25 | 2016-10-25 | A kind of horizontal well continuous tubing drill mill operation construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933487.8A CN106437588B (en) | 2016-10-25 | 2016-10-25 | A kind of horizontal well continuous tubing drill mill operation construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106437588A CN106437588A (en) | 2017-02-22 |
| CN106437588B true CN106437588B (en) | 2018-07-20 |
Family
ID=58178835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610933487.8A Active CN106437588B (en) | 2016-10-25 | 2016-10-25 | A kind of horizontal well continuous tubing drill mill operation construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437588B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476773A (en) * | 2017-08-24 | 2017-12-15 | 中国石油天然气股份有限公司 | Tool string and method for eliminating obstacles in well |
| CN112412378A (en) * | 2020-12-08 | 2021-02-26 | 中国石油天然气集团有限公司 | Drilling and plugging operation method for oil pipe of compact oil long horizontal well |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725060A (en) * | 1995-03-24 | 1998-03-10 | Atlantic Richfield Company | Mill starting device and method |
| CN201041027Y (en) * | 2007-06-01 | 2008-03-26 | 左林海 | Double-control automatic drill-supplier |
| CN201074489Y (en) * | 2007-10-17 | 2008-06-18 | 大庆油田有限责任公司 | Mill sleeve card-dispelling tubular pile for continuous tubing drill |
| CN102913166A (en) * | 2012-10-19 | 2013-02-06 | 中国石油化工股份有限公司 | Method for drilling and milling sliding sleeves and ball seats of horizontal well by continuous oil pipe |
| CN103147711A (en) * | 2013-03-23 | 2013-06-12 | 盘锦勇盛利石油科技开发有限公司 | Grinding and milling tool for oil well or water well and using method thereof |
| CN203783460U (en) * | 2014-04-01 | 2014-08-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Composite bridge plug-drilling and grinding oil pipe drilling tool assembly for horizontal wells |
| CN104653136A (en) * | 2014-12-16 | 2015-05-27 | 中国石油天然气股份有限公司 | Method for drilling and grinding composite bridge plug by conventional oil pipe underground power |
| CN105003220A (en) * | 2015-06-23 | 2015-10-28 | 中国石油集团渤海钻探工程有限公司 | Continuous oil pipe horizontal well drilling grinding and pumping type composite bridge plug process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10352139B2 (en) * | 2014-12-11 | 2019-07-16 | Baker Hughes, A Ge Company, Llc | Coiled tubing through production tubing zone isolation and production method |
-
2016
- 2016-10-25 CN CN201610933487.8A patent/CN106437588B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725060A (en) * | 1995-03-24 | 1998-03-10 | Atlantic Richfield Company | Mill starting device and method |
| CN201041027Y (en) * | 2007-06-01 | 2008-03-26 | 左林海 | Double-control automatic drill-supplier |
| CN201074489Y (en) * | 2007-10-17 | 2008-06-18 | 大庆油田有限责任公司 | Mill sleeve card-dispelling tubular pile for continuous tubing drill |
| CN102913166A (en) * | 2012-10-19 | 2013-02-06 | 中国石油化工股份有限公司 | Method for drilling and milling sliding sleeves and ball seats of horizontal well by continuous oil pipe |
| CN103147711A (en) * | 2013-03-23 | 2013-06-12 | 盘锦勇盛利石油科技开发有限公司 | Grinding and milling tool for oil well or water well and using method thereof |
| CN203783460U (en) * | 2014-04-01 | 2014-08-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Composite bridge plug-drilling and grinding oil pipe drilling tool assembly for horizontal wells |
| CN104653136A (en) * | 2014-12-16 | 2015-05-27 | 中国石油天然气股份有限公司 | Method for drilling and grinding composite bridge plug by conventional oil pipe underground power |
| CN105003220A (en) * | 2015-06-23 | 2015-10-28 | 中国石油集团渤海钻探工程有限公司 | Continuous oil pipe horizontal well drilling grinding and pumping type composite bridge plug process |
Non-Patent Citations (2)
| Title |
|---|
| 《大庆油田水平井复合桥塞钻磨工艺技术研究与应用》;张文志;《内蒙古石油化工》;20140630(第12期);第109-110页 * |
| 《水平井油管钻磨复合桥塞技术及应用》;席仲琛 等;《石油钻采工艺》;20160131;第38卷(第1期);第123-127页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106437588A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105003220B (en) | Coiled tubing Horizontal Well Drilling grinds pumped type composite bridge plug technique | |
| US2242166A (en) | Apparatus for operating oil wells | |
| CN103835678B (en) | Horizontal well inner-pipe-free drilling-plug-free grading cementing well completion method | |
| US9850744B2 (en) | Method for extracting coalbed gas through water and coal dust drainage and a device thereof | |
| CN110617054B (en) | Oil field horizontal well sectional testing pipe column and method | |
| CN112855087A (en) | Coal bed gas horizontal well system transformation method | |
| CN106437588B (en) | A kind of horizontal well continuous tubing drill mill operation construction method | |
| CN104653136B (en) | Method for drilling and grinding composite bridge plug by conventional oil pipe underground power | |
| CN111911127A (en) | Fracturing sand adding method | |
| CN103835677A (en) | Two-stage sealing bumping-pressure salvageable well completion device for horizontal well | |
| CA2863764A1 (en) | Phased stimulation methods | |
| CN105201438A (en) | Negative-pressure sand fishing tool and negative-pressure sand fishing technology | |
| CN204492724U (en) | bailing device | |
| CN204899825U (en) | Sand instrument is dragged for to negative pressure | |
| CN204252864U (en) | A kind of drilling tool | |
| CN207879289U (en) | Well workover reacting cycle drags for sand sand-precipitating tube | |
| CN207111019U (en) | Combined type junk mill for different hole diameters | |
| CN210371142U (en) | Underground screw pump | |
| WO2018106259A1 (en) | Methodology for developing treatment fluid compositions to enhance near- and far-field diversion downhole | |
| CN208950520U (en) | A kind of pony packer fishing tool | |
| CN111594126A (en) | Sand-filling layered fracturing method for coiled tubing | |
| CN209163762U (en) | A kind of external cutting ferrule milling fishing device | |
| CN113250653A (en) | Acidification method of water injection well | |
| CN112412378A (en) | Drilling and plugging operation method for oil pipe of compact oil long horizontal well | |
| CN204419103U (en) | Edge carbide button drift size gauge tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201102 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: 710018 Shaanxi province Xi'an Weiyang Changqing Changqing prosperous Park District Building Room 1207 Patentee before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING COMPANY LIMITED CHANGQING DOWNHOLE TECHNOLOGY Co. |