SU1627730A1 - A method of the determination of the gas pressure in coal beds - Google Patents

A method of the determination of the gas pressure in coal beds Download PDF

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Publication number
SU1627730A1
SU1627730A1 SU894666228A SU4666228A SU1627730A1 SU 1627730 A1 SU1627730 A1 SU 1627730A1 SU 894666228 A SU894666228 A SU 894666228A SU 4666228 A SU4666228 A SU 4666228A SU 1627730 A1 SU1627730 A1 SU 1627730A1
Authority
SU
USSR - Soviet Union
Prior art keywords
coal
gas pressure
sample
pressure
samples
Prior art date
Application number
SU894666228A
Other languages
Russian (ru)
Inventor
Виталий Петрович Ходыкин
Анатолий Ильич Спожакин
Светлана Евгеньевна Терехова
Арнольд Григорьевич Хейфец
Original Assignee
Институт горного дела им.А.А.Скочинского
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 Институт горного дела им.А.А.Скочинского filed Critical Институт горного дела им.А.А.Скочинского
Priority to SU894666228A priority Critical patent/SU1627730A1/en
Application granted granted Critical
Publication of SU1627730A1 publication Critical patent/SU1627730A1/en

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Description

-pf ь u N i газо- i i С е угл  н-pf u N i gas i i C e coal

О5 ND J JO5 ND J J

5five

(i)(i)

iге в пункige to punk

1вни  га- os Па;1 ga-os Pa;

i110 С ТЬ,i110 C Tb,

i , чей УГБi whose ugb

/ ЧЫ, М 3/Т / CHY, M 3 / T

. iчикие газа. iquick gas

n i с г, Па ;n i with g, Pa;

объем пор в пробе угл , масса пробы угл , т. pore volume in the sample of coal, sample mass of coal, t.

1-2 1-2

р . Рат; X эф т оR . Rath; X eff about

VnVn

Па.Pa.

(2)(2)

Способ определени  давлени  газа в топьных пластах осуществл етс  сле ющим обратом.The method for determining the gas pressure in the fuel beds is performed by the following skimming.

В пассиве угл  пневмоэлектросвер- лм бур т шпур длиной 3 м. После окон- 1 Чи  бурени  iniivp зачищают от штыба. усглноьки УБГ определ ют тгУрективную газоносность четверто- о метра шпурл, В тоне бурени  шпура УГОЛЬНОГО массива отбирают 2-3 кус- кгные- пробы гпч tiarcnn 30-50 г каж- и пробы ппыбаIn the passive coal of the pneumatic electric drill, a drill is drilled with a length of 3 meters. After the window, the 1 iniivp drilling is cleared of the pin. UBGs detect the gas content of the fourth meter of the hole in the hole, In the drilling of the hole of the COB array, 2-3 piece samples are taken ghc tiarcnn 30-50 g each and the sample

аРорлторныу УСЛОВИЯХ определ ют 20 лробы угг1Я т0, парафинируют ее 20 plots are determined, waxes

ie 1Я|гт массу парафинированной гл  m , Парафинированную пробу ie 1I | rm mass of waxed ch m m, waxed sample

Л г 1ч, vi - р мерный ЦИЛИНДР С ВОчгс-лел кп об1,рм У.25 L g 1 h, vi - dimensional CYLINDER C VOHGS-LEL KP OB1, RM U.25

с-.нт ПЗс пг пассу парафина.s-.nt PZS pg pass paraffin.

i м п, рафии. i m n, raffia.

р ipp ip

гь лп УДСПЬНЧ масса парафина,hp lp usdpnch mass of paraffin,

1г/с, г.1g / s,

| релгп (л ,PM пробы угл  | relgp (l, PM samples of coal

пар steam

4prrv vr™ t пг сепчают через сито i4i.i;.oii 0,5 MSI HC ческу штыба, рав4prrv vr ™ t pg separate through a sieve i4i.i; .oii 0,5 MSI HC chesta, equal

77307730

ную по массе кусковой пробе угл , прессуют под давлением р - У1Н, где Y 2,5 т/м - средн   объемна  масса горных пород; Н - глубина залегани  пласта, на которой определ етс  давление газа, м. Определ ют объем штыбаmass of the lump sample of coal, pressed under pressure p - U1H, where Y 2.5 t / m is the average volume mass of rocks; H is the depth of the reservoir where the gas pressure is determined, m.

VV

UTUT

Разность V.,Difference V.,

- Ущ V,p  вл етс - Us V, p is

объемом пустот, которые занимал газ в пробе угл . Рассчитывают давление газа в соответствии с формулой (2).the volume of voids that occupied the gas in the sample of coal. Calculate the gas pressure in accordance with the formula (2).

Claims (1)

Формула изобретени Invention Formula Способ определени  давлени  газа в угольных пластах, включающий бурение и герметизацию скважин, измерение эффекгивной газоносности угл , отличающийс  тем, что, с целью повышени  точности определени  давлени  газа, отбирают пробы угл  и штыба, татем пробы штыба прессуют под давлением , равным горному давлению на глубине залегани  пласта, определ ют объемы равных по массе проб угл  и спрессованного штыба, рассчитывают объем пор угл  по разности указанных объемов проб и определ ют давление газа Р в пласте по зависимостиThe method of determining gas pressure in coal seams, including drilling and sealing wells, measuring the effective gas content of coal, characterized in that, in order to improve the accuracy of determining gas pressure, samples of coal and shtyb are sampled, and then the shty bolt samples are compressed under pressure equal to rock pressure at depth the bedding of the reservoir, determine the volumes equal to the mass of coal samples and compacted shtyb, calculate the pore volume of coal from the difference between the specified sample volumes and determine the gas pressure P in the reservoir according to Р т - - э р m оP t - - er m o ЛL где Р - величина атмосферного давлени  ;where P is the value of atmospheric pressure; Х-эф- эффективна  газоносность угл  ;X-ef- effective coal gas content; т - масса кусковой пробы угл ; Vq - объем пор в пробе угл .t is the mass of lump sample coal; Vq - pore volume in the sample of coal.
SU894666228A 1989-03-24 1989-03-24 A method of the determination of the gas pressure in coal beds SU1627730A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU894666228A SU1627730A1 (en) 1989-03-24 1989-03-24 A method of the determination of the gas pressure in coal beds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU894666228A SU1627730A1 (en) 1989-03-24 1989-03-24 A method of the determination of the gas pressure in coal beds

Publications (1)

Publication Number Publication Date
SU1627730A1 true SU1627730A1 (en) 1991-02-15

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Family Applications (1)

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SU894666228A SU1627730A1 (en) 1989-03-24 1989-03-24 A method of the determination of the gas pressure in coal beds

Country Status (1)

Country Link
SU (1) SU1627730A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2632591C1 (en) * 2016-04-18 2017-10-06 Лариса Николаевна Прокофьева Methane in coal bed mass transfer parameters determination method
CN109709297A (en) * 2018-12-05 2019-05-03 中国矿业大学(北京) Based on the lower method for measuring multiple seam gas bearing capacity simultaneously to layer-through drilling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2632591C1 (en) * 2016-04-18 2017-10-06 Лариса Николаевна Прокофьева Methane in coal bed mass transfer parameters determination method
RU2632591C9 (en) * 2016-04-18 2018-01-12 Лариса Николаевна Прокофьева Methane in coal bed mass transfer parameters determination method
CN109709297A (en) * 2018-12-05 2019-05-03 中国矿业大学(北京) Based on the lower method for measuring multiple seam gas bearing capacity simultaneously to layer-through drilling

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