CN108533180A - A kind of drilling engineering is with boring hole-drawing device and reaming method - Google Patents
A kind of drilling engineering is with boring hole-drawing device and reaming method Download PDFInfo
- Publication number
- CN108533180A CN108533180A CN201810373290.2A CN201810373290A CN108533180A CN 108533180 A CN108533180 A CN 108533180A CN 201810373290 A CN201810373290 A CN 201810373290A CN 108533180 A CN108533180 A CN 108533180A
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- China
- Prior art keywords
- wing
- drawing device
- hole
- drilling
- drilling engineering
- 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
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims description 11
- 210000000515 tooth Anatomy 0.000 claims abstract description 21
- 241001074085 Scophthalmus aquosus Species 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 230000008521 reorganization Effects 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000005266 casting Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000284 resting effect Effects 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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
-
- 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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of drilling engineerings with brill hole-drawing device, including cylindrical body and spiral wing, the wing sets there are three and is uniformly fixed on cylindrical body, the wing includes that wing ontology, PDC composite sheets cutting tooth and gauge lie low tooth, 13 17 PDC composite sheets cutting tooths are laid on each wing body surface, being laid with the gauge in the gage portion of wing ontology lies low tooth.The configuration of the present invention is simple using the present invention with reaming is bored, can scrape the borehole wall clearly while piercing, and then correct the borehole wall, to improve reaming effect, eliminates undergauge and cleaning casting bed, ensure hole diameter size.Drilling fluid flow field in wellbore can be changed in hole-drawing device, is conducive to return on the eddy flow of drilling fluid and landwaste, improves drilling fluid prop-carrying capacity.
Description
Technical field
The present invention relates to drilling engineering downhole tool technical field, especially a kind of drilling engineering with bore hole-drawing device and
Reaming method.
Background technology
THE WESTERN SOUTH CHINA SEA marine site Beibuwan Basin bad ground is more, and stratum is unstable in drilling process, and the wellbore of drilling well is held
Easy necking down, borehole size become smaller, and cause drilling tool above to carry the card that is hampered, can not be successfully out, serious easy generation leakage is caved in
Complex situations.In prospect pit early period, development well operation process, repeatedly occur making a trip, setting of casing and logging blocking, the feelings for meeting card
Condition；Wherein it is hampered, meets stuck point and easily occur in two sections of Wei, three sections of Wei and the two sections big set sand-mud interbed of stream, need to subsequently carries out more
Secondary drifting seriously affects drilling well timeliness.
Invention content
It is an object of the invention to overcome the shortcomings of above-mentioned prior art, provide it is a kind of it is simple in structure, bit freezing can be prevented
Drilling engineering with bore hole-drawing device.
To achieve the goals above, the technical solution adopted by the present invention is：A kind of drilling engineering is special with boring hole-drawing device
Sign is：Including cylindrical body and spiral wing, the wing sets there are three and is uniformly fixed on cylindrical body, institute
It includes that wing ontology, PDC composite sheets cutting tooth and gauge lie low tooth to state wing, is laid on each wing body surface
13-17 PDC composite sheets cutting tooths are laid with the gauge in the gage portion of wing ontology and lie low tooth.
Further, the sword value that goes out of the PDC composite sheets cutting tooth is 13.7 ~ 14.6%.
Further, the cylindrical body is integrally formed, and outer diameter is 125 ~ 128mm, and internal diameter is 75 ~ 78mm.
Invention additionally discloses a kind of drilling engineerings with reaming method is bored, and using above-mentioned drilling engineering with hole-drawing device is bored, wraps
Include following steps：(1) drilling engineering is accessed with brill hole-drawing device in drill assembly, makes drilling well by the drilling tool for choosing corresponding button-type
Engineering is located at with brill hole-drawing device in this section 150 ~ 200m of drill bit；(2) it by drill assembly G.I.H, and rotates top and drives,
Drill bit is set to pierce stratum, during piercing, stratum first passes through the primary rest and reorganization of drill bit, using drilling engineering with brill reaming
The secondary rest and reorganization of device；(3) after being drilled into finishing drilling depth, cycle pulls out of hole；In trip-out process, stratum first passes through drilling engineering with brill
The primary rest and reorganization of hole-drawing device, using the secondary rest and reorganization of drill bit；It after the completion of trip-out, tears open and gets rid of drilling tool, operation terminates.
The beneficial effects of the invention are as follows：
(1) three wings of hole-drawing device use PDC composite sheet cutting tooths, and gage portion use lies low tooth reinforcement, applicable formation volumes
Wider, abrasive resistant and impact resistance are preferable, are conducive to improve drilling well timeliness；
(2) it is applied in High angle hold angle long open hole directional well, can effectively prevents and clear up casting bed, largely prevent
The generation of complex situations is conducive to improve drilling safety；
(3) be suitable for sand-mud interbed is more, there is the risk that collapses, the stratum of low pressure reservoir section thick filter cake undergauge is conducive to maintain
The stability of the borehole wall；
(4) it is suitable for slim-hole, is conducive to the drillng operation of small size wellbore, improves the systematicness of wellbore.
Description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is schematic side view of the present invention.
Specific implementation mode
As shown in Figure 1, 2, a kind of drilling engineering of the present invention is with boring hole-drawing device, including cylindrical body 1 and spiral
Wing 2, the wing 2 set there are three and are uniformly fixed on cylindrical body 1.
Wherein, above-mentioned wing 2 lies low tooth 23 including wing ontology 21, PDC composite sheets cutting tooth 22 and gauge, each described
The 13-17 PDC composite sheets cutting tooths 22 are laid on 21 surface of wing ontology, it is equal in the gage portion of wing ontology 21
The gauge is laid with to lie low tooth 23.
In the present embodiment, the sword value that goes out of above-mentioned PDC composite sheets cutting tooth is 13.7 ~ 14.6%.1 one of above-mentioned cylindrical body
Molding, outer diameter are 125 ~ 128mm, and internal diameter is 75 ~ 78mm.
Invention additionally discloses a kind of drilling engineering with bore reaming method, using above-mentioned drilling engineering with bore hole-drawing device,
Include the following steps：(1) drilling engineering is accessed with brill hole-drawing device in drill assembly, makes brill by the drilling tool for choosing corresponding button-type
Well engineering is located at with brill hole-drawing device in this section 150 ~ 200m of drill bit；(2) by drill assembly G.I.H, and top is rotated
It drives, so that drill bit is pierced stratum, during piercing, stratum first passes through the primary rest and reorganization of drill bit, using drilling engineering with brill
The secondary rest and reorganization of hole-drawing device；(3) after being drilled into finishing drilling depth, cycle pulls out of hole；In trip-out process, stratum first passes through drilling engineering use
With the primary rest and reorganization for boring hole-drawing device, the borehole wall is after once resting and reorganizing, not bit freezing；Using the secondary rest and reorganization of drill bit, maintain
The systematicness of wellbore；It after the completion of trip-out, tears open and gets rid of drilling tool, operation terminates.
Using the present invention with reaming is bored, can scrape the borehole wall clearly while piercing, and then correct the borehole wall, from
And reaming effect is improved, undergauge and cleaning casting bed are eliminated, ensures hole diameter size.Drilling fluid flow field in wellbore can be changed in hole-drawing device,
Be conducive to return on the eddy flow of drilling fluid and landwaste, improve drilling fluid prop-carrying capacity.
The above content is merely illustrative of the technical solution of the present invention, technology of the those skilled in the art to the present invention
The simple modification or equivalent replacement that scheme carries out, all without departing from the spirit and scope of technical solution of the present invention.
Claims (4)
1. a kind of drilling engineering is with brill hole-drawing device, it is characterised in that：Including cylindrical body and spiral wing, the knife
The wing sets there are three and is uniformly fixed on cylindrical body, and the wing includes that wing ontology, PDC composite sheets cutting tooth and gauge are flat
It lies tooth, the 13-17 PDC composite sheets cutting tooths is laid on each wing body surface, in the guarantor of wing ontology
Path portion is laid with the gauge and lies low tooth.
2. drilling engineering according to claim 1 is with brill hole-drawing device, it is characterised in that：The PDC composite sheets cutting tooth
Go out sword value be 13.7 ~ 14.6%.
3. drilling engineering according to claim 1 or 2 is with brill hole-drawing device, it is characterised in that：The cylindrical body one
Molding, outer diameter are 125 ~ 128mm, and internal diameter is 75 ~ 78mm.
4. a kind of drilling engineering with bore reaming method, using the drilling engineering described in claims 1 or 2 or 3 with bore reaming
Device includes the following steps：
(1) drilling tool for choosing corresponding button-type, by drilling engineering with accessing in drill assembly with boring hole-drawing device, make drilling engineering with
Hole-drawing device is bored to be located in this section 150 ~ 200m of drill bit；
(2) it by drill assembly G.I.H, and rotates top and drives, so that drill bit is pierced stratum, during piercing, stratum first passes through brill
The primary rest and reorganization of head, using drilling engineering with the secondary finishing for boring hole-drawing device；
(3) after being drilled into finishing drilling depth, cycle pulls out of hole；In trip-out process, stratum first passes through drilling engineering with brill hole-drawing device
It is primary to rest and reorganize, using the secondary rest and reorganization of drill bit；It after the completion of trip-out, tears open and gets rid of drilling tool, operation terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373290.2A CN108533180A (en) | 2018-04-24 | 2018-04-24 | A kind of drilling engineering is with boring hole-drawing device and reaming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373290.2A CN108533180A (en) | 2018-04-24 | 2018-04-24 | A kind of drilling engineering is with boring hole-drawing device and reaming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108533180A true CN108533180A (en) | 2018-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810373290.2A Pending CN108533180A (en) | 2018-04-24 | 2018-04-24 | A kind of drilling engineering is with boring hole-drawing device and reaming method |
Country Status (1)
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| CN (1) | CN108533180A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162643A (en) * | 2018-10-19 | 2019-01-08 | 成都科盛石油科技有限公司 | Finishing drilling method for continuous type shale reservoir |
| CN109322618A (en) * | 2018-10-19 | 2019-02-12 | 成都科盛石油科技有限公司 | Heterogeneous shale gas well Reservoir Section finishing drilling method |
| CN109403885A (en) * | 2018-12-05 | 2019-03-01 | 深圳越海工程技术有限公司 | A kind of Bidirectional screw type is with borehole wall reshaper |
| CN117365301A (en) * | 2023-11-16 | 2024-01-09 | 东北石油大学 | Eye marker, design method, device and medium |
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| CN205778550U (en) * | 2016-05-18 | 2016-12-07 | 上海海隆石油钻具有限公司 | A kind of reaming while drilling wing structure |
| CN205840808U (en) * | 2016-07-07 | 2016-12-28 | 天合石油集团汇丰石油装备股份有限公司 | A kind of back reaming regulator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162643A (en) * | 2018-10-19 | 2019-01-08 | 成都科盛石油科技有限公司 | Finishing drilling method for continuous type shale reservoir |
| CN109322618A (en) * | 2018-10-19 | 2019-02-12 | 成都科盛石油科技有限公司 | Heterogeneous shale gas well Reservoir Section finishing drilling method |
| CN109403885A (en) * | 2018-12-05 | 2019-03-01 | 深圳越海工程技术有限公司 | A kind of Bidirectional screw type is with borehole wall reshaper |
| CN109403885B (en) * | 2018-12-05 | 2023-09-12 | 深圳越海工程技术有限公司 | Bidirectional spiral type while-drilling wall shaper |
| CN117365301A (en) * | 2023-11-16 | 2024-01-09 | 东北石油大学 | Eye marker, design method, device and medium |
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Application publication date: 20180914 |