CN107503731A - Batch production drilling platforms - Google Patents
Batch production drilling platforms Download PDFInfo
- Publication number
- CN107503731A CN107503731A CN201710626307.6A CN201710626307A CN107503731A CN 107503731 A CN107503731 A CN 107503731A CN 201710626307 A CN201710626307 A CN 201710626307A CN 107503731 A CN107503731 A CN 107503731A
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- Prior art keywords
- well
- construction
- batch production
- drilling platforms
- coal
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- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 238000010923 batch production Methods 0.000 title claims abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 39
- 239000003245 coal Substances 0.000 claims abstract description 31
- 238000005065 mining Methods 0.000 claims abstract description 6
- 241000269793 Cryothenia peninsulae Species 0.000 claims abstract description 3
- 241000209094 Oryza Species 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 238000011161 development Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
- E21B43/305—Specific pattern of wells, e.g. optimising the spacing of wells comprising at least one inclined or horizontal well
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/006—Production of coal-bed methane
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the efficient scale wellbore construction of coal bed gas well and management domain; the problems such as development efficiency, managerial confusion existing for current individual well field straight well operating type and high operation cost of constructing; the invention provides a kind of batch production drilling platforms; wellbore construction is carried out using " group's formula well spacing, scale construction; reallocate resources, be managed collectively " mode; first determine that the rectangle well site of mining coal seam is treated in covering according to coal seam environment when specifically referring to construction; pithead position is set in the range of well site, and well head is along well site length direction interval, linear arrangement；Each well head well type uses L-type list branch horizontal well, and well bore is three to drive a well body structure；The floor projection of each well is non-intersect, and the kickoff point (KOP) of adjacent well mutually staggers.The present invention can carry out mass construction operation using multicomputer simultaneously, so as to intensive Development control area resource, improve development efficiency, reduce management and construction operation cost.
Description
Technical field
The invention belongs to the efficient scale wellbore construction of coal bed gas well and management domain, and in particular to a kind of batch production drilling well
Platform.
Background technology
" batch production drillng operation pattern " is used as an advanced construction and management pattern, and natural gas extraction abroad is looked forward to
Operated already for many years.Batch production originates from North America, is the processing line mode that American transplants big production of machinery earliest, to
The discovery and exploitation of oil exploitation, particularly unconventional petroleum resources, cost is reduced, improve labor productivity.The U.S. is fine and close
Sandstone gas, shale gas exploitation, U.K. North Sea oil field, the Gulf of Mexico and Brazilian deepwater oilfield, all by the way of factory operation.
Coal bed gas well uses individual well field straight well operating type more at present, and which is not only larger by the influence of topography, exploitation control
System is limited in scope, and workload is big in terms of the constructions such as well site, drilling well, power supply, pipeline to mining, wastes substantial amounts of manpower
Material resources.Therefore need a kind of efficient drilling model badly and improve cbm development efficiency, reduce management and construction operation cost.Factory
Change drilling platforms can three-dimensional arrangement horizontal well, pinniform Multilateral Wells to meet requirements above.
The content of the invention
The present invention is directed to development efficiency existing for current individual well field straight well operating type, managerial confusion and construction operation cost
The problems such as high, and then provide a kind of batch production drilling platforms.
A kind of batch production drilling platforms, carried out using " group's formula well spacing, scale are constructed, and are reallocated resources, are managed collectively " mode
First determine that the rectangle well site of mining coal seam is treated in covering according to coal seam environment when wellbore construction, in particular to construction, in the range of well site
Pithead position is set, and well head is along well site length direction interval, linear arrangement；Each well head well type uses L-type list branch horizontal well, well
Driven a well body structure as three；The floor projection of each well is non-intersect, and the kickoff point (KOP) of adjacent well mutually staggers.
According to first shallow rear deep, outside in order wellbore construction, i.e., first the construct shallow well of kickoff point (KOP), kickoff point (KOP) of constructing afterwards
Deep well, the day-coal for small numbering of first constructing, then the lower floor's coal numbered greatly of constructing.
Spacing between adjacent well head is not less than 5 meters.
Using each well of identical BHA drilling parameter construction.
During construction per 30-50 rice deviational survey once.
Batch production drilling platforms of the present invention is in multi-faceted, multiple target coal seam, solid arrangement horizontal well, pinniform branch
Well, using " group's formula well spacing, scale are constructed, and are reallocated resources, are managed collectively " mode, construction before the brill in drilling well, material supply,
Power supply etc., drifting, well-flushing, pressure break in reservoir reconstruction etc., and engineer operation logistics support and coal bed gas well later stage behaviour
Make the processes such as maintenance management, according to " batch production " management pattern of organization, form one and be mutually linked and manage intensive " one
Change " tissue tie, the construction requirement sought unity of standard according to each operation, in a pipeline fashion, to more mouthfuls of coal bed gas well work progress
In links, while carry out mass construction operation using multicomputer, so as to intensive Development control area resource, improve exploitation effect
Rate, reduce management and construction operation cost.
Brief description of the drawings
Fig. 1 is the construction plan in well site；
Fig. 2 is single branch horizontal well casing programme schematic diagram；
In figure：1-SHH01-5 (3), 2- reserve 15 colliery positions, and 3-SHH01-4 (3), 4- reserve 15 colliery positions, 5- SHH01-3
(3), 6- increases anti-collision distance, 7-SHH01-2 (15), 8-SHH01-1 (15), 9- blowoff basins, 10- mono- are opened, and 11- bis- is opened, 12- tri-
Open.
Embodiment
Drilling platforms name of the present invention is using mining area+platform numbering（Horizon numerals, it is abbreviated as H+ numerals）, positioned at flat
Every mouthful of individual well+individual well sequence number of platform（Affiliated coal seam）, sequence number numbers from small to large according to azimuth.As SHH01-2 (3) represents temple
The well of a bite serial number 2 of No. 1 drilling platforms construction in river mining area, destination layer position is No. 3 coals（See accompanying drawing 1）.
Well layout is uniformly distributed each well according to each well orientation of well group, makes each well floor projection non-intersect；Adjacent well deflecting
The certain distance that staggers is put, in vertical direction anti-collision, the deep well of kickoff point (KOP) of being constructed after the shallow well of kickoff point (KOP) of first constructing.
Cluster well well pattern is densely distributed, and due to straight well Duan Buzhi, cementing quality is bad, and deviational survey data are forbidden, and drill bit is cut
Cut and cause well skew understanding inadequate, orient engineer's negligence etc., well location arrangement need to carry out Anticollision and formulate anti-collision
Measure, intersection of locus is avoided, ensure construction smoothly and wellhole is complete.
Experiment use L-type list branch horizontal well, utilizing works well draining aerogenesis, consider attitude of coal raise up creep into favor of
Draining.
Fig. 1 is snow nurse T200 drilling well layout drawings, and because landform limits, well site actual size is 30m*90m rectangle well site,
According to snow nurse T200 truck-mounted drilling rigs construction horizontal layout, at least 60m*50m well site.
Well-log information, the drilling data of drilling platforms periphery coal bed gas well are grasped, according to first shallow rear deep, outside in suitable
Sequence is constructed, and adjacent well head spacing is not less than 5m；Each well is uniformly distributed according to each well orientation of well group, makes each well floor projection not phase
Hand over；Adjacent well kickoff point (KOP) staggers certain distance, in vertical direction anti-collision, and kickoff point (KOP) of being constructed after the shallow well of kickoff point (KOP) of first constructing is deep
Well.
It is allocated according to length 90m, construction, first constructs counterclockwise（1）, then successively（3）、（5）、（7）、（8）, that is, press
It is according to No. 15 coals after first No. 3 coals, first outside and then inside order, well site northeast side（9）Width is 15m, ensures certain reservoir storage,
（7）、（8）Offset well interval 8m,（1）、（3）、（5）、（7）Offset well interval 16m, No. 3 coal increase intervals, primarily to No. 15 in the future
Coal aerogenesis effect is good, No. 15 collieries of supplement construction between offset well.The offset well spacing of No. 3 collieries reaches 16m, nearly 40 ° of interferometry difference, compared with
Easy anti-collision；（7）With（5）Orientation closer to the distance is approached, distance 16m, and coal seam spacing 90m, kickoff point (KOP) position is staggered, and is easier to prevent
Touch；（7）With（8）Closer to the distance, destination layer is all 15 coals, should carry out anti-collision work.Orientation personnel will in strict accordance with sequencing,
To creep into data in advance to refer to, orientation correction, hole deviation correction are carried out in real time, draw anti-collision figure in time, the side's of calculating anti-collision is from tune
Whole screw rod, can effectively solve the problems, such as anti-collision.
Protective measures in work progress：Using identical BHA and drilling parameter, ensure that relative error is roughly the same；Profit
Plot analysis is carried out to drilled well data with computer anti-collision program, referred to for construction in later period；Pay attention at any time in construction
Drilling parameter changes, and prompting driller pays attention to observing before dangerous well section is crept into, if it find that having drilling speed to accelerate suddenly, being vented, spraining
Phenomena such as jump, will stop creeping into immediately, and by drill bit lift-off shaft bottom, lower step measure is determined again after analysis situation；Anti-collision sweeping is carried out in time
Retouch and judge, it is found that magnetic anomaly applies for gyrocompassing in time；Per 30-50 rice deviational survey once, special well section encryption deviational survey, and according to
Deviational survey data draw anti-collision figure by orientation well engineer, calculate anti-collision distance, prevent two wells from colliding；In the parallel well section drilling of two wells
When, reciprocating sieve will have special messenger to be responsible for observing, fish for sand sample, if any fast, iron filings, cement block, mud contamination, the performance change of collapsing
Etc. anomaly, to stop to bore analysis reason immediately.
Fig. 2 is single branch horizontal well casing programme schematic diagram,（10）Stable basement rock is pierced using Φ 311.15mm drill bits
10m, tripping in J55 grade of steel Φ 273.1mm surface pipes, cementing concrete return to ground.（11）Using Φ 241.3mm drill bits creep into
At 3# roof above 5m, at tripping in N80 grade of steels Φ 193.7mm protective casings to target coal seam top plate above 10m, water of cementing the well
Mud returns to ground.（12）Using Φ 171.5mm drill bits creep into, into target coal seam after along drilling in coal, reach target spot scope.Under
Enter N80 grade of steels Φ 139.7mm production casings or 5-1/2 inch sliding sleeve tool strings, do not cement the well.
Coal number numbering is the coal seam with coal measure strata, is typically numbered naturally with 1,2,3 ... orders from top to bottom, in the present invention
Described " outer " the expression small numbering coal in upper strata, the big numbering coal of " interior " expression lower floor.
The present invention carries out wellbore construction by using " group's formula well spacing, scale are constructed, and are reallocated resources, are managed collectively " mode.
The adjacent well head spacing of well layout is not less than 5m, and reserve the following group coal coal-bed gas exploitation well location position and anti-collision distance, bore
Well construction first outside and then inside order, formulates Protective measures scheme using construction counterclockwise, and well type uses single branch horizontal well, and three
Opening structure.The present invention can carry out mass construction operation using multicomputer simultaneously, so as to intensive Development control area resource, improve exploitation
Efficiency, reduce management and construction operation cost.
Claims (5)
1. a kind of batch production drilling platforms, it is characterised in that using " group's formula well spacing, scale construction, reallocate resources, be managed collectively "
First determine that the rectangle well site of mining coal seam is treated in covering according to coal seam environment when mode carries out wellbore construction, in particular to construction, in well
Pithead position is set in the range of, well head is along well site length direction interval, linear arrangement；Each well head well type uses LXing Dan branches
Horizontal well, well bore are three to drive a well body structure；The floor projection of each well is non-intersect, and the kickoff point (KOP) of adjacent well mutually staggers.
2. batch production drilling platforms according to claim 1, it is characterised in that：According to first shallow rear deep, outside in suitable
Sequence wellbore construction, i.e., the deep well of the shallow well of kickoff point (KOP) of first constructing, rear construction kickoff point (KOP), the day-coal for small numbering of first constructing, then apply
Lower floor's coal of the big numbering of work.
3. batch production drilling platforms according to claim 2, it is characterised in that：Spacing between adjacent well head is not less than 5
Rice.
4. batch production drilling platforms according to claim 3, it is characterised in that：Applied using identical BHA drilling parameter
Each well of work.
5. batch production drilling platforms according to claim 4, it is characterised in that：During construction per 30-50 rice deviational survey once.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710626307.6A CN107503731A (en) | 2017-07-27 | 2017-07-27 | Batch production drilling platforms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710626307.6A CN107503731A (en) | 2017-07-27 | 2017-07-27 | Batch production drilling platforms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107503731A true CN107503731A (en) | 2017-12-22 |
Family
ID=60688807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710626307.6A Pending CN107503731A (en) | 2017-07-27 | 2017-07-27 | Batch production drilling platforms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107503731A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566177A (en) * | 2019-08-22 | 2019-12-13 | 中国石油大学(华东) | Well spacing method for industrial drilling |
| CN110593852A (en) * | 2019-09-10 | 2019-12-20 | 西南石油大学 | Cluster well borehole anti-collision short section, anti-collision system and anti-collision method |
| CN111794743A (en) * | 2020-08-28 | 2020-10-20 | 四川长宁天然气开发有限责任公司 | Shale gas well engineering tracking deduction method |
| CN111878156A (en) * | 2020-08-07 | 2020-11-03 | 山西晋城无烟煤矿业集团有限责任公司 | Micro L-shaped long-life anti-damage well body structure of mining well and well drilling method thereof |
| CN112593910A (en) * | 2020-12-10 | 2021-04-02 | 山西晋城无烟煤矿业集团有限责任公司 | Efficient mining method for broken low-permeability coal bed gas short horizontal well group |
| CN112814561A (en) * | 2021-01-04 | 2021-05-18 | 中国石油天然气股份有限公司 | Drilling method and drilling system |
| CN112983375A (en) * | 2021-03-01 | 2021-06-18 | 中国石油天然气股份有限公司 | Well site construction method and device |
| CN113356824A (en) * | 2021-07-01 | 2021-09-07 | 山西蓝焰煤层气工程研究有限责任公司 | Integral development method for adjacent coal seam horizontal well in multi-coal seam development area |
| CN115637958A (en) * | 2021-07-19 | 2023-01-24 | 中国石油天然气股份有限公司 | Batch mining method for platform horizontal well |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566177A (en) * | 2019-08-22 | 2019-12-13 | 中国石油大学(华东) | Well spacing method for industrial drilling |
| CN110593852A (en) * | 2019-09-10 | 2019-12-20 | 西南石油大学 | Cluster well borehole anti-collision short section, anti-collision system and anti-collision method |
| CN111878156A (en) * | 2020-08-07 | 2020-11-03 | 山西晋城无烟煤矿业集团有限责任公司 | Micro L-shaped long-life anti-damage well body structure of mining well and well drilling method thereof |
| CN111878156B (en) * | 2020-08-07 | 2022-03-22 | 山西晋城无烟煤矿业集团有限责任公司 | Well drilling method for micro L-shaped long-life anti-damage well body structure of mining well |
| CN111794743A (en) * | 2020-08-28 | 2020-10-20 | 四川长宁天然气开发有限责任公司 | Shale gas well engineering tracking deduction method |
| CN112593910A (en) * | 2020-12-10 | 2021-04-02 | 山西晋城无烟煤矿业集团有限责任公司 | Efficient mining method for broken low-permeability coal bed gas short horizontal well group |
| CN112814561A (en) * | 2021-01-04 | 2021-05-18 | 中国石油天然气股份有限公司 | Drilling method and drilling system |
| CN112983375A (en) * | 2021-03-01 | 2021-06-18 | 中国石油天然气股份有限公司 | Well site construction method and device |
| CN112983375B (en) * | 2021-03-01 | 2022-12-02 | 中国石油天然气股份有限公司 | Well site construction method and device |
| CN113356824A (en) * | 2021-07-01 | 2021-09-07 | 山西蓝焰煤层气工程研究有限责任公司 | Integral development method for adjacent coal seam horizontal well in multi-coal seam development area |
| CN115637958A (en) * | 2021-07-19 | 2023-01-24 | 中国石油天然气股份有限公司 | Batch mining method for platform horizontal well |
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Application publication date: 20171222 |