SU939784A1 - Method of preventive treating of formation - Google Patents
Method of preventive treating of formation Download PDFInfo
- Publication number
- SU939784A1 SU939784A1 SU802979569A SU2979569A SU939784A1 SU 939784 A1 SU939784 A1 SU 939784A1 SU 802979569 A SU802979569 A SU 802979569A SU 2979569 A SU2979569 A SU 2979569A SU 939784 A1 SU939784 A1 SU 939784A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- formation
- cracks
- coal
- well
- until
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 8
- 230000003449 preventive effect Effects 0.000 title 1
- 239000003245 coal Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000011321 prophylaxis Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000004880 explosion Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Description
(5) СПОСОБ ПРОФИЛАКТИЧЕСКОЙ ОБРАБОТКИ ПЛАСТА(5) METHOD FOR PROPHYLACTIC TREATMENT OF A FORMAT
Изобретение относитс к горной промышленности, преимущественно к угольной, и может быть использовано дл интенсификации газовыделени из угл . Известен способ увеличени трещиноватости угольного массива дл увеличени газовыделени из угл путем гидроразрыва lj. Однако известный способ не обеспечивает равномерность распределени трещин в зоне обработки. Наиболее близким к предлагаемому вл етс способ дегазации, предотвра щени газодинамических влений и пылеобразовани , включающий проведение в пласте скважин, отсос газа до и после нагнетани жидкости в пласт и инициирование взрыва у усть скважины , осуществл емого с помощью взрывной камеры со срезным диском, причем инициирование взрыва производ т при уменьшении приемистости пласта 2. Недостаток известного способа заключаетс в неравномерности и сравнительно небольшой прот женности сети трещин. Цель изобретени - интенсификаци газовыделени из угл за счет увеличени прот женности и равномерности распределени сети трещин в массиве. Указанна цель достигаетс тем, что гидрообработку пласта ведут путем чередовани режимов - вначале в режиме гидроразрыва до падени давлени в скважине, затем в гидроимпульсном режиме с частотой, близкой к частоте собственных колебаний жидкости в скважине и трещинах, до снижени приемистости пласта. Способ образовани сети трещин в угольном массиве осуществл ют следующим образом. В угольном пласте в направлении движени забо провод т скважину длиной 60 м, устье которой на глубину до 40 м герметизируют. ОбработкуThe invention relates to the mining industry, mainly to the coal industry, and can be used to intensify the gas evolution from coal. There is a known method for increasing the fracture of a coal massif to increase gas release from coal by fracturing lj. However, the known method does not ensure uniform distribution of cracks in the treatment zone. Closest to the present invention is a method of degassing, preventing gas-dynamic phenomena and dust formation, including carrying out wells in the reservoir, suctioning gas before and after pumping fluid into the reservoir and initiating an explosion at the wellhead using a shear disk with an explosive chamber, and initiating the explosion is carried out while reducing the injectivity of the formation 2. The disadvantage of the known method lies in the unevenness and relatively small extent of the fracture network. The purpose of the invention is to intensify gas emission from coal by increasing the length and uniformity of the distribution of the network of cracks in the massif. This goal is achieved by hydroprocessing the formation by alternating modes — first in the fracture mode until the pressure in the well drops, then in the hydroimpulse mode with a frequency close to the natural oscillation frequency of the fluid in the well and fractures. The method of forming a network of cracks in the coal mass is carried out as follows. In the coal seam, in the direction of movement, a 60-meter-long well is drilled at the bottom, the wellhead of which is sealed to a depth of 40 m. Processing
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802979569A SU939784A1 (en) | 1980-09-01 | 1980-09-01 | Method of preventive treating of formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802979569A SU939784A1 (en) | 1980-09-01 | 1980-09-01 | Method of preventive treating of formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU939784A1 true SU939784A1 (en) | 1982-06-30 |
Family
ID=20916825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU802979569A SU939784A1 (en) | 1980-09-01 | 1980-09-01 | Method of preventive treating of formation |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU939784A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2511329C1 (en) * | 2012-11-02 | 2014-04-10 | Федеральное государственное бюджетное учреждение науки ИНСТИТУТ ПРОБЛЕМ КОМПЛЕКСНОГО ОСВОЕНИЯ НЕДР РОССИЙСКОЙ АКАДЕМИИ НАУК (ИПКОН РАН) | Method of action on coal bed |
-
1980
- 1980-09-01 SU SU802979569A patent/SU939784A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2511329C1 (en) * | 2012-11-02 | 2014-04-10 | Федеральное государственное бюджетное учреждение науки ИНСТИТУТ ПРОБЛЕМ КОМПЛЕКСНОГО ОСВОЕНИЯ НЕДР РОССИЙСКОЙ АКАДЕМИИ НАУК (ИПКОН РАН) | Method of action on coal bed |
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