SU1369379A1 - Method for increasing of permeability of payable seams - Google Patents

Method for increasing of permeability of payable seams

Info

Publication number
SU1369379A1
SU1369379A1 SU3985719/03A SU3985719A SU1369379A1 SU 1369379 A1 SU1369379 A1 SU 1369379A1 SU 3985719/03 A SU3985719/03 A SU 3985719/03A SU 3985719 A SU3985719 A SU 3985719A SU 1369379 A1 SU1369379 A1 SU 1369379A1
Authority
SU
USSR - Soviet Union
Prior art keywords
slot
payable
annulus
seams
permeability
Prior art date
Application number
SU3985719/03A
Other languages
Russian (ru)
Inventor
Г.Н. Герасименко
Е.В. Гончаров
А.Н. Иванов
А.Б. Сергеев
Н.В. Кротов
В.П. Кузнецов
Л.М. Марморштейн
И.М. Петухов
В.С. Сидоров
Г.Т. Овнатанов
В.А. Юргенсон
Original Assignee
Всесоюзный научно-исследовательский институт горной геомеханики и маркшейдерского дела
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Всесоюзный научно-исследовательский институт горной геомеханики и маркшейдерского дела filed Critical Всесоюзный научно-исследовательский институт горной геомеханики и маркшейдерского дела
Priority to SU3985719/03A priority Critical patent/SU1369379A1/en
Application granted granted Critical
Publication of SU1369379A1 publication Critical patent/SU1369379A1/en

Links

Abstract

FIELD: mining industry; applicable in degassing of gas-bearing coal seams. SUBSTANCE: method for increasing of permeability of payable seams includes determination of rock density by geophysical method. Then, vertical slot is cut with the aid of sand-jet perforation, and rock density on the slot section is determined. Then, drill pipe-borehole annulus is closed, and working fluid with sand is injected to built up maximum permissible pressure in the annulus. Micro- and macrocracks are wedged and secured through a distance 2-3 times larger than the depth of the crack itself. The annulus is opened and slot is repeatedly cut in rocks of payable seam. Creation of the second main relieving slot in the high stress zone allows utilization of rock pressure in slot cutting to increase the width and depth of the slot and to extend the zone of relief. EFFECT: higher efficiency of the process after formation of relieving slots. 2 cl
SU3985719/03A 1985-12-02 1985-12-02 Method for increasing of permeability of payable seams SU1369379A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU3985719/03A SU1369379A1 (en) 1985-12-02 1985-12-02 Method for increasing of permeability of payable seams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU3985719/03A SU1369379A1 (en) 1985-12-02 1985-12-02 Method for increasing of permeability of payable seams

Publications (1)

Publication Number Publication Date
SU1369379A1 true SU1369379A1 (en) 1996-12-10

Family

ID=60517676

Family Applications (1)

Application Number Title Priority Date Filing Date
SU3985719/03A SU1369379A1 (en) 1985-12-02 1985-12-02 Method for increasing of permeability of payable seams

Country Status (1)

Country Link
SU (1) SU1369379A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7568525B2 (en) 2004-09-27 2009-08-04 Nord Service, Inc. Method and system for increasing well rate using well-capital-string perforation
CN106321049A (en) * 2016-09-27 2017-01-11 吴拥政 Method and device for optimizing mining stopping line position with hydrofracture pressure relieving
CN107152302A (en) * 2017-06-29 2017-09-12 重庆大学 Cut the uniform permeability-increasing gas pumping method of pressure in a kind of complex geological structure coal seam
CN107965316A (en) * 2017-11-22 2018-04-27 太原理工大学 A kind of method for improving high methane hyposmosis single coal bed extracting result

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7568525B2 (en) 2004-09-27 2009-08-04 Nord Service, Inc. Method and system for increasing well rate using well-capital-string perforation
CN106321049A (en) * 2016-09-27 2017-01-11 吴拥政 Method and device for optimizing mining stopping line position with hydrofracture pressure relieving
CN106321049B (en) * 2016-09-27 2019-04-23 天地科技股份有限公司 Utilize the method and device of hydraulic fracturing release optimization the position of terminal mining line
CN107152302A (en) * 2017-06-29 2017-09-12 重庆大学 Cut the uniform permeability-increasing gas pumping method of pressure in a kind of complex geological structure coal seam
CN107152302B (en) * 2017-06-29 2019-11-01 重庆大学 A kind of complex geological structure coal seam cut the uniform permeability-increasing gas pumping method of pressure
CN107965316A (en) * 2017-11-22 2018-04-27 太原理工大学 A kind of method for improving high methane hyposmosis single coal bed extracting result

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