CN108979611A - A kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method - Google Patents
A kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method Download PDFInfo
- Publication number
- CN108979611A CN108979611A CN201810891853.7A CN201810891853A CN108979611A CN 108979611 A CN108979611 A CN 108979611A CN 201810891853 A CN201810891853 A CN 201810891853A CN 108979611 A CN108979611 A CN 108979611A
- Authority
- CN
- China
- Prior art keywords
- well
- horizontal
- oil
- stratum
- reservoir
- 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
- 238000000034 method Methods 0.000 title claims abstract description 65
- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 230000009466 transformation Effects 0.000 claims abstract description 6
- 238000013461 design Methods 0.000 claims description 20
- 238000010276 construction Methods 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 claims description 3
- 238000012502 risk assessment Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 14
- 238000002407 reforming Methods 0.000 abstract description 9
- 230000018109 developmental process Effects 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 230000035699 permeability Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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 invention belongs to oil-gas reservoir reservoir exploitation technical fields, specifically disclose a kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method, it is determined by low vertical stress stratum, low vertical stress Effective thickness of formation determines, it chooses horizontal hole track and it is optimized by Drilling Design software, in the fracturing reform method that determination is final, solve the problems, such as that low vertical stress stratum cannot be developed with fractured horizontal well reforming mode, and after fracturing reform implementation, horizontal segment is cut into several horizontal joint planes for being parallel to stratum by the man-made fracture of formation, these stacked horizontal joint planes increase the transformation area of oil-gas reservoir reservoir, individual well oil and gas production and development benefit can be improved.
Description
Technical field
The invention belongs to oil-gas reservoir reservoir exploitation technical fields, and in particular to a kind of oil-gas reservoir reservoir-level seam Horizontal Well Drilling
Complete well fracturing reform method.
Background technique
In oilfield exploitation procedure, some formation overburden pressures are minimum principal stress direction (low vertical stress), many institutes
Known, the extending direction in crack is always perpendicular to minimum principal stress direction, therefore this kind of stratum can shape during fracturing reform
At the man-made fracture for being parallel to stratum horizontal plane.The permeability of corresponding force of hanging low stratum horizontal direction is generally large, vertical infiltration
Rate very little, after single straight well (directional well) fracturing reform, yield is generally lower, and development benefit is poor.
Currently, horizontal well is one of the most effective mode for developing Low permeable oil and gas reservoirs reservoir, and solve exploitation ground noodles
Part is limited the effective means of oil-gas reservoir reservoir.The horizontal segment of horizontal well is usually parallel with oil-gas Layer, if in low vertical stress
Layer horizontal well drilling, the crack that when fracturing reform is formed will prolong horizontal hole extension, horizontal well caused to fail.Therefore, from horizontal well
Since technology develops, the precedent on the low vertical stress stratum of never useful horizontal well development.
Summary of the invention
The object of the present invention is to provide a kind of oil-gas reservoir reservoir-levels to stitch horizontal well drilling completion fracturing reform method, solves low
Vertical stress stratum cannot use the problem of horizontal well development.
In order to achieve the above objectives, technical solution of the present invention is as follows:
A kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method, it is characterised in that: comprise the steps of:
(1) low vertical stress stratum determines: according to the geologic feature of oil-gas reservoir reservoir and Rock Mechanics Analysis data, determining oil gas
Reservoir crustal stress distribution situation is hidden, formation overburden pressure or vertical stress direction can then be determined if minimum principal stress direction
The stratum is low vertical stress stratum；
(2) low vertical stress Effective thickness of formation determines: bent according to the electrometric integrated interpretation results for leading a well or periphery control well
Line determines the actual formation thickness on step (1) the low vertical stress stratum, closes further according to the position of target well and periphery Lin Jing
System, determines low vertical stress Effective thickness of formation using average counting method and stratigraphic distribution prediction technique；
(3) horizontal hole track is chosen: on the basis of the low vertical stress Effective thickness of formation described in step (2), according to not
Same low vertical stress Effective thickness of formation chooses different horizontal hole tracks；
(4) preliminary fracturing reform method determines: on the trajectory of horizontal of different horizontal hole tracks described in step (3),
It selects vertical spacing for the position of 1.0m, carries out the design of fracturing fracture face in vertical direction, simulated by Fracturing design software
Length, width, flow conductivity, transformation volume and the relevant parameter for forming crack, determine preliminary fracturing reform method；
(5) horizontal hole Optimal design of trajectory: using Drilling Design software to different level well track described in step (3) into
Row optimization design, according to Optimum Design Results, influence of the appreciable levels well track to oil/gas well production system, if construction risk
It can controllably carry out being drilled well construction program in next step, if construction risk is big, return again with Drilling Design software to level
Well track optimizes；
(6) final fracturing reform method determines: described in step (5) under the conditions of being drilled well construction, using the more shower holes of single hop
Mode being split with seam network pressure, fracturing reform being carried out to horizontal segment stratum, simulation is optimized to horizontal well using Fracturing design software and is set
Meter, determines final fracturing parameter, obtains final fracturing reform method.
Preferably, in the step (2), the effective thickness on low vertical stress stratum can be divided into: effective thickness is greater than 16m's
The stratum of stratum, effective thickness less than 12m of stratum, effective thickness between 12 ~ 16m.
Preferably, horizontal hole track different in the step (3) is respectively as follows: stratum of the effective thickness greater than 16m and adopts
With the oblique levelness section well track of big displacement, stratum of the effective thickness between 12-16m uses spiral shape horizontal well wellbore rail
Mark, stratum of the effective thickness less than 12m use arc horizontal well track.
Preferably, in the step (4), the design of hydraulically created fracture face includes the pressure break number of segment of horizontal well, pressure break sub-clustering
And the design being spaced between cluster.
Preferably, in the step (5), it is logical for optimizing to different level well track described in step (3)
Cross following methods progress:
A. according to target area geomechanics constraint condition to the stability of horizontal hole, wellbore frictional resistance, torque, hole cleaning energy
Power and anti-bang the safety of drilling well carry out risk assessment；B. according to casing mechanical analysis, appreciable levels well track damages casing
It influences.
Preferably, in the step (6), the single cluster in the more shower holes of single hop is a pressure break level or pressure break section, and single
1.0m is divided between cluster between vertical depth.
Preferably, in the step (6), final fracturing reform method includes: that fractured interval is divided, pressure break sub-clustering, applied
The determination of work parameter and the selection of fracturing fluid, proppant and equipment tool.
Preferably, in the step (6), 4 clusters are generally divided into the more shower holes of single hop, in single hop, specific cluster-dividing method by
Oil-gas Layer, which is bored, meets situation and well logging situation decision.
Preferably, in horizontal joint horizontal well drilling completion fracture technology method, there are many fracturing reform modes or tool,
But the method for segmentation or sub-clustering are as follows: the vertical depth spacing of adjacent two sections or two clusters is 1.0 meters.
The present invention is effectively effective are as follows:
(1) oil-gas reservoir reservoir-level disclosed by the invention stitches horizontal well drilling completion fracturing reform method with solving low vertical stress
The problem of layer cannot be developed with fractured horizontal well reforming mode, and after fracturing reform implementation, the man-made fracture of formation will be horizontal
Section is cut into several horizontal joint planes for being parallel to stratum, these stacked horizontal joint planes increase changing for oil-gas reservoir reservoir
Area is made, individual well oil and gas production and development benefit can be improved；
(2) it after horizontal joint horizontal well drilling completion fracturing reform method disclosed by the invention is implemented, is formed in interval of interest stacked
Horizontal fracture face can significantly improve vertical permeability.
Detailed description of the invention
Fig. 1 is the oblique levelness section well track figure of big displacement of the present invention；
Fig. 2 is spiral shape horizontal well track figure of the present invention；
Fig. 3 is spiral shape horizontal well wellbore three-dimensional track figure of the present invention；
Fig. 4 is arc horizontal section wellbore trajectory diagram of the present invention.
Specific embodiment
Combined with specific embodiments below, technical solution of the present invention is further illustrated.
Embodiment 1
A kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method, comprises the steps of:
(1) low vertical stress stratum determines: according to the geologic feature of oil-gas reservoir reservoir and Rock Mechanics Analysis data, determining oil gas
Reservoir crustal stress distribution situation is hidden, formation overburden pressure or vertical stress direction can then be determined if minimum principal stress direction
The stratum is low vertical stress stratum；
(2) low vertical stress Effective thickness of formation determines: bent according to the electrometric integrated interpretation results for leading a well or periphery control well
Line determines the actual formation thickness on step (1) the low vertical stress stratum, closes further according to the position of target well and periphery Lin Jing
System, determines low vertical stress Effective thickness of formation using average counting method and stratigraphic distribution prediction technique, can be divided into: effective thickness
The low vertical stress stratum and effective thickness of low vertical stress stratum, effective thickness between 12 ~ 16m greater than 16m is less than 12m
Low vertical stress stratum；
(3) horizontal hole track is chosen: on the basis of the low vertical stress Effective thickness of formation described in step (2), according to not
The effective thickness on same low vertical stress stratum chooses different horizontal hole tracks, and it is low greater than 16m to be respectively as follows: effective thickness
Vertical stress stratum uses the oblique levelness section well track of big displacement, low vertical stress stratum of the effective thickness between 12-16m
Using spiral shape horizontal well track, low vertical stress stratum of the effective thickness less than 12m uses arc horizontal well wellbore rail
Mark；
(4) preliminary fracturing reform method determines: on the trajectory of horizontal of different horizontal hole tracks described in step (3),
It selects vertical spacing for the position of 1.0m, carries out the design of hydraulically created fracture face, the pressure break including horizontal well in vertical direction
The design being spaced between number of segment, pressure break sub-clustering and cluster, then the length to form crack, width, water conservancy diversion are simulated by Fracturing design software
Ability and the parameter that volume is transformed, determine preliminary fracturing reform method；
(5) horizontal hole Optimal design of trajectory: using Drilling Design software to different level well track described in step (3) into
Row optimization design, wherein optimum design method are as follows: a. is according to target area geomechanics constraint condition to the stabilization of horizontal hole
Property, wellbore frictional resistance, torque, anti-bang the safety of hole cleaning ability and drilling well carry out risk assessment；B. according to casing mechanical analysis,
The influence that appreciable levels well track damages casing；According to Optimum Design Results, appreciable levels well track is raw to gasoline well
The influence of production system, if construction risk is big, returns to weight if construction risk can controllably carry out being drilled well construction program in next step
Newly horizontal hole track is optimized with Drilling Design software；
(6) final fracturing reform method determines: described in step (5) under the conditions of being drilled well construction, using the more shower holes of single hop
Mode is split with seam network pressure, and fracturing reform is carried out to horizontal segment stratum, wherein in the more shower holes of single hop, 4 clusters are generally divided into single hop,
Specific cluster-dividing method bores chance situation by oil-gas Layer and well logging situation determines, and the single cluster in the more shower holes of single hop is a pressure break level
Or pressure break section, and 1.0m is divided between single cluster between vertical depth；Mould is optimized to horizontal well using Fracturing design software again
Meter is proposed, determines final fracturing parameter, final fracturing reform method includes: that fractured interval is divided, pressure break sub-clustering, applied
The determination of work parameter and the selection of fracturing fluid, proppant and equipment tool；
Oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method described in embodiment 1 solves low vertical stress stratum
The problem of cannot being developed with fractured horizontal well reforming mode, and after fracturing reform implementation, the man-made fracture of formation is by horizontal segment
Several horizontal joint planes for being parallel to stratum are cut into, these stacked horizontal joint planes increase the transformation of oil-gas reservoir reservoir
Individual well oil and gas production and development benefit can be improved in area, in addition, being formed in interval of interest stacked after remodeling method implementation
Horizontal fracture face can significantly improve vertical permeability.
Comparative test
Scheme one: a kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method, reforming techniques method are as follows: step
(4) it is divided into the position of 0.5m in, between selection, carries out the design of hydraulically created fracture face, remaining step and parameter in vertical direction
With embodiment 1；
Scheme two: a kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method, the same embodiment of reforming techniques method
1；
Scheme three: a kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method, reforming techniques method are as follows: step
(4) it is divided into the position of 1.5m in, between selection, carries out the design of hydraulically created fracture face, remaining step and parameter in vertical direction
With embodiment 1；
Scheme four: a kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method, reforming techniques method are as follows: step
(4) it is divided into the position of 2.0m in, between selection, carries out the design of hydraulically created fracture face, remaining step and parameter in vertical direction
With embodiment 1；
In work progress, real-time monitoring is carried out using underground microseism Crack Monitoring mode；After pressing crack construction, using industry section
Method carries out yield monitoring to well layer of constructing in 4 schemes；As a result are as follows:
(1) 4 arrangement and method for construction, oil and gas production size order is successively are as follows: three > scheme of scheme two > scheme, one > scheme four；
(2) the results show that when spacing is 0.5m, the fracture surface between two sections or two clusters overlaps Crack Monitoring；Spacing be 1.5m and
When 2.0m, the fracture surface between two sections or two clusters has certain distance, influences each other smaller；When spacing is 1.0m, two sections or two clusters
Between the connection of fracture surface phase mutual sign, but overlapping phenomenon is unobvious；
Therefore, when between two sections or two clusters spacing be 1.0m, the transformation area on low vertical stress stratum can be dramatically increased, improve
Well yield and development benefit.
Concrete case
Extension oil field east oil recovery factory developing zone stratum is low vertical stress geologic feature, is not using horizontal well development previous
Well development is directly drilled using straight well (directional well), well yield is low, of poor benefits.Using horizontal joint horizontal well drilling completion fracturing reform
After technical method, well yield is significantly improved.If according to underground micro-seismic monitoring data interpretation as a result, horizontal well horizontal segment is formed
Dry is parallel to the horizontal fracture face on stratum, and the transformation area on stratum has been significantly greatly increased, has improved vertical permeability, improves list
Well production and development benefit；
Case 1: extending the village oil field Qi Li oil recovery factory development zone stratum has typical low vertical stress geologic feature, using level
Seam horizontal well drilling completion fracture technology method devises the flat A well of horizontal well seven, 8.5 meters of well core intersection, using arc
Horizontal hole track is drilled well, 704 meters of horizontal section length, 6 section of 20 cluster of pressing crack construction section is designed, with the more shower hole+bodies of single hop
It overstocks and splits reforming technology construction, discharge capacity 8.0m3/min adds sand 232m3,33 ton/days of formation testing maximum output after pressure, constant rate of production 12
Ton/day, it is greatly improved compared with offset well yield, development benefit is significant.
Case 2: extending oil field Gangu post oil recovery factory development zone reservoir has low vertical stress geologic feature, using horizontal joint
Horizontal well drilling completion fracture technology method devises the flat C well of horizontal well 219X, 18.2 meters of well core intersection, using big position
It moves oblique horizontal hole track and is drilled well, 596 meters of horizontal section length, 5 section of 18 cluster of pressing crack construction section is designed, with the more shower holes of single hop
The construction of+volume fracturing reforming technology, discharge capacity 6.5m3/min add sand 215m3, and 26.5 ton/days of formation testing maximum output after pressure are stablized
It 8.6 ton/days of yield, is greatly improved compared with offset well yield, development benefit is significant.
Claims (7)
1. a kind of oil-gas reservoir reservoir-level stitches horizontal well drilling completion fracturing reform method, it is characterised in that: comprise the steps of:
(1) low vertical stress stratum determines: according to the geologic feature of oil-gas reservoir reservoir and Rock Mechanics Analysis data, determining oil gas
Reservoir crustal stress distribution situation is hidden, formation overburden pressure or vertical stress direction can then be determined if minimum principal stress direction
The stratum is low vertical stress stratum；
(2) low vertical stress Effective thickness of formation determines: bent according to the electrometric integrated interpretation results for leading a well or periphery control well
Line determines the actual formation thickness on step (1) the low vertical stress stratum, closes further according to the position of target well and periphery Lin Jing
System, determines low vertical stress Effective thickness of formation using average counting method and stratigraphic distribution prediction technique；
(3) horizontal hole track is chosen: on the basis of the low vertical stress Effective thickness of formation described in step (2), according to not
Same low vertical stress Effective thickness of formation chooses different horizontal hole tracks；
(4) preliminary fracturing reform method determines: on the trajectory of horizontal of different horizontal hole tracks described in step (3),
It selects vertical spacing for the position of 1.0m, carries out the design of fracturing fracture face in vertical direction, simulated by Fracturing design software
Length, width, flow conductivity, transformation volume and the relevant parameter for forming crack, determine preliminary fracturing reform method；
(5) horizontal hole Optimal design of trajectory: using Drilling Design software to different level well track described in step (3) into
Row optimization design, according to Optimum Design Results, influence of the appreciable levels well track to oil/gas well production system, if construction risk
It can controllably carry out being drilled well construction program in next step, if construction risk is big, return again with Drilling Design software to level
Well track optimizes；
(6) final fracturing reform method determines: described in step (5) under the conditions of being drilled well construction, using the more shower holes of single hop
Mode being split with seam network pressure, fracturing reform being carried out to horizontal segment stratum, simulation is optimized to horizontal well using Fracturing design software and is set
Meter, determines final fracturing parameter, obtains final fracturing reform method.
2. oil-gas reservoir reservoir-level according to claim 1 stitches horizontal well drilling completion fracturing reform method, it is characterised in that:
In the step (2), the effective thickness on low vertical stress stratum can be divided into: stratum of the effective thickness greater than 16m, effective thickness exist
Stratum, effective thickness between 12 ~ 16m are less than the stratum of 12m.
3. oil-gas reservoir reservoir-level according to claim 2 stitches horizontal well drilling completion fracturing reform method, it is characterised in that:
Different horizontal hole tracks is respectively as follows: stratum of the effective thickness greater than 16m using the oblique levelness of big displacement in the step (3)
Section well track, stratum of the effective thickness between 12-16m use spiral shape horizontal well track, and effective thickness is less than 12m
Stratum use arc horizontal well track.
4. oil-gas reservoir reservoir-level according to claim 3 stitches horizontal well drilling completion fracturing reform method, it is characterised in that:
In the step (4), the design being spaced between pressure break number of segment, pressure break sub-clustering and cluster including horizontal well is designed in fracturing fracture face.
5. oil-gas reservoir reservoir-level according to claim 4 stitches horizontal well drilling completion fracturing reform method, it is characterised in that:
In the step (5), optimizing to different level well track described in step (3) is to carry out by the following method
:
A. according to target area geomechanics constraint condition to the stability of horizontal hole, wellbore frictional resistance, torque, hole cleaning energy
Power and anti-bang the safety of drilling well carry out risk assessment；B. according to casing mechanical analysis, appreciable levels well track damages casing
It influences.
6. oil-gas reservoir reservoir-level according to claim 5 stitches horizontal well drilling completion fracturing reform method, it is characterised in that:
In the step (6), the single cluster in the more shower holes of single hop is a pressure break level or pressure break section, and between single cluster between vertical depth
It is divided into 1.0m.
7. oil-gas reservoir reservoir-level according to claim 6 stitches horizontal well drilling completion fracturing reform method, it is characterised in that:
In the step (6), final fracturing reform method includes: fractured interval division, pressure break sub-clustering, construction parameter determination and pressure break
The selection of liquid, proppant and equipment tool.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311038368.2A CN116877041A (en) | 2018-08-07 | 2018-08-07 | Well drilling completion fracturing transformation method for horizontal seam horizontal well of oil and gas reservoir |
| CN201810891853.7A CN108979611A (en) | 2018-08-07 | 2018-08-07 | A kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891853.7A CN108979611A (en) | 2018-08-07 | 2018-08-07 | A kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311038368.2A Division CN116877041A (en) | 2018-08-07 | 2018-08-07 | Well drilling completion fracturing transformation method for horizontal seam horizontal well of oil and gas reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108979611A true CN108979611A (en) | 2018-12-11 |
Family
ID=64556070
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311038368.2A Pending CN116877041A (en) | 2018-08-07 | 2018-08-07 | Well drilling completion fracturing transformation method for horizontal seam horizontal well of oil and gas reservoir |
| CN201810891853.7A Pending CN108979611A (en) | 2018-08-07 | 2018-08-07 | A kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311038368.2A Pending CN116877041A (en) | 2018-08-07 | 2018-08-07 | Well drilling completion fracturing transformation method for horizontal seam horizontal well of oil and gas reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN116877041A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306965A (en) * | 2019-07-08 | 2019-10-08 | 河南理工大学 | A kind of method for increasing for coal bed gas low yield wellblock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606124A (en) * | 2012-03-16 | 2012-07-25 | 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 | Sectioned multi-cluster synchronous volume fracturing technology for double horizontal wells |
| CN103215022A (en) * | 2013-04-08 | 2013-07-24 | 西南石油大学 | Low-friction liquid for volume fracture |
| CN107506840A (en) * | 2016-06-14 | 2017-12-22 | 中国石油化工股份有限公司 | A kind of optimization method of shale gas horizontal well perforation cluster spacing |
-
2018
- 2018-08-07 CN CN202311038368.2A patent/CN116877041A/en active Pending
- 2018-08-07 CN CN201810891853.7A patent/CN108979611A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606124A (en) * | 2012-03-16 | 2012-07-25 | 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 | Sectioned multi-cluster synchronous volume fracturing technology for double horizontal wells |
| CN103215022A (en) * | 2013-04-08 | 2013-07-24 | 西南石油大学 | Low-friction liquid for volume fracture |
| CN107506840A (en) * | 2016-06-14 | 2017-12-22 | 中国石油化工股份有限公司 | A kind of optimization method of shale gas horizontal well perforation cluster spacing |
Non-Patent Citations (3)
| Title |
|---|
| 康小东等: "《油藏有效厚度统计参数的特征与应用》", 《石油钻采工艺》 * |
| 贾自力等: "《超低渗透水平裂缝油藏水平井井眼轨迹优化技术》", 《特种油气藏》 * |
| 郝世彦等: "《超低渗浅层油藏水平井钻井技术难点与突破》", 《中国石油勘探》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306965A (en) * | 2019-07-08 | 2019-10-08 | 河南理工大学 | A kind of method for increasing for coal bed gas low yield wellblock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116877041A (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Development of unconventional gas and technologies adopted in China | |
| CN108561106B (en) | Oil and gas exploitation method for increasing recovery ratio by controlling reserves through artificial seams | |
| Qun et al. | Progress and development directions of shale oil reservoir stimulation technology of China National Petroleum Corporation | |
| Wu et al. | Drilling and completion technologies for deep carbonate rocks in the Sichuan Basin: Practices and prospects | |
| Qun et al. | The “fracture-controlled reserves” based stimulation technology for unconventional oil and gas reservoirs | |
| CN105239990A (en) | Placing method of self-simulating lateral-displacement horizontal well of super-low permeability tight reservoir | |
| CN110454135B (en) | Shale oil well spacing method for long horizontal well with small well spacing, multiple strata series and close cutting | |
| CN110359895B (en) | Water exploration and drainage method for staged fracturing of horizontal well of heterogeneous huge and thick sandstone | |
| Thompson et al. | Tank Development in the Midland Basin, Texas: a case study of super-charging a reservoir to optimize production and increase horizontal well densities | |
| CN103161434A (en) | Mining method for low permeability reservoir of shale gas and the like | |
| CN111305807A (en) | Fracturing method for improving fracture height during shale gas multi-cluster perforation | |
| Xu et al. | Theoretical and technological difficulties and countermeasures of deep CBM exploration and development in the eastern edge of Ordos Basin | |
| CN108979611A (en) | A kind of oil-gas reservoir reservoir-level seam horizontal well drilling completion fracturing reform method | |
| CN111997581B (en) | Heterogeneous oil reservoir development method and device and electronic equipment | |
| RU2580562C1 (en) | Method of developing oil deposits | |
| RU2526037C1 (en) | Development of fractured reservoirs | |
| RU2513962C1 (en) | Oil deposit development method | |
| RU2745640C1 (en) | Method of gas deposit development in low permeable siliceous opokamorphic reservoirs | |
| CN113431542B (en) | Method for calculating interference strength of horizontal well fracturing fracture | |
| CN111648753B (en) | Hydraulic fracturing crack distribution optimization method for newly drilled horizontal well in water injection development well network | |
| CN115324559A (en) | Multi-factor comprehensive prediction and prevention method for fracturing-induced oil-gas casing deformation | |
| CN110566169A (en) | well selecting and layer selecting method for return-flow measure after injecting large-dose flooding fluid into oil production well near sandstone reservoir fault | |
| Guzman et al. | Evaluation of Polymer Flooding in A Highly Stratified Heterogeneous Reservoir. A Field Case Study | |
| Hui et al. | The effect of hydraulic-natural fracture networks on the waterflooding development in a multilayer tight reservoir: case study | |
| Wang et al. | The Optimal Development Strategy Selected for Layered Sandstone Reservoir by Creating a System Economic Model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |