SU559206A1 - Geochemical search method for oil and gas deposits - Google Patents
Geochemical search method for oil and gas depositsInfo
- Publication number
- SU559206A1 SU559206A1 SU2198232A SU2198232A SU559206A1 SU 559206 A1 SU559206 A1 SU 559206A1 SU 2198232 A SU2198232 A SU 2198232A SU 2198232 A SU2198232 A SU 2198232A SU 559206 A1 SU559206 A1 SU 559206A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- oil
- gas
- geochemical
- organic carbon
- gases
- Prior art date
Links
Description
(54) СПОСОБ ГЕОХИМИЧЕСКОГО ПОИСКА ЗАЛЕЖЕЙ НЕФТИ И ГАЗА .(54) METHOD OF GEOCHEMICAL SEARCH OF OIL AND GAS RESERVES.
1one
Способ может быть использован при проведении газовой съемки.The method can be used when conducting a gas survey.
Известен способ l3 геохимических по;исков залежей нефти и газа, основа1шый на определении содержани углеводородных газов в коренных породах, подпочвенных обложени х , почвах и грунтовых водах.The known method l3 is geochemical in accordance with the lawsuits of oil and gas deposits, which is based on determining the content of hydrocarbon gases in bedrock, subsurface deposits, soils and groundwater.
Недостатком способа вл етс мала эффективность прогнозировани нефтегазошюс- ти ловушек нефти и газа ввиду отсутстви результатов измерени органического угле- рода.The disadvantage of this method is the low efficiency of the prediction of oil and gas traps for oil and gas traps due to the lack of results of measuring organic carbon.
Известен способ геохимических поисков нефти и газа путем отбора проб, последовательного извлечени газов термовакуумным и механическим методами дегазации, раздельного анализа непредельных и предельных углеводородов, выделени зон аномальных концентраций газов и оценки перспективности на нефть и газ 2 ,The known method of geochemical exploration of oil and gas by sampling, sequential extraction of gases by thermal vacuum and mechanical degassing methods, separate analysis of unsaturated and saturated hydrocarbons, separation of areas of abnormal gas concentrations and assessment of prospects for oil and gas 2,
Недостатком способа вл етс то, что поиск зйлежей нефти и газа осуществл ют по ropTi3OHTy, расположенному ниже первого от дневной поверхности газоводоупора и представленному высоко пористыми или The disadvantage of the method is that the search for oil and gas is carried out by ropTi3OHTy, located below the first one from the day surface of the gas-water seal and represented by highly porous or
трещиноватыми породами, в силу чего фор-мнроваюге аномалий и их пространственна локализаци определ ютс не местопопоженжзапежи , а особенност ми исспедуемого го ризонта. В результате, характеристики газ насыщенности, определ емые в породах опор ного газометрического горизонта , как неотражающие распределение газов в пластовых услови х, мало эффективны при определении генетической природы полей аномапь ных концентраций углеводородных газов, что снижает надежкость прогноза нефтега- зоносности ловушек нефти и газа по геохимическим данным до nocTaiiOBKii глубокого поискового бурени оfractured rocks, as a result of which the formation of anomalies and their spatial localization are determined not by the location of the anomalies, but by the features of the zone being examined. As a result, the saturation gas characteristics, determined in the rocks of the reference gasometric horizon, as non-reflective gas distribution in reservoir conditions, are not very effective in determining the genetic nature of the fields of anomalous concentrations of hydrocarbon gases, which reduces the reliability of the oil and gas prediction of geochemical data to nocTaiiOBKii deep exploratory drilling about
Цепь способа - повыщение эффективиостг геохкмич8С1Сих поисков аалежей нефти и газа .The chain of the method is the increase of the effectiveness of geochemical 8С1 Their search for oil and gas aalezhey.
Это достигаетс тем, что бур т скважн-ны , выбирают представительный горизонт, определ ют содержание гели и рассе нного орга шческого углерода, анадт1зируют сотласованность распределений рассе 5гного oft- ганического углерода, метана сумм1л т желых углеводородов и renira в прсдставн-This is achieved by drilling wells, choosing a representative horizon, determining the content of helium and dispersed organic carbon, anattising the shallowness of the distribution of scattering carbon oft-carbon, methane of heavy hydrocarbons and renira.
тепьном горизонте и по этим данным судат о перспективах нефтегааоносности структур .the thermal horizon and from these data judge the prospects for the oil and gas presence of the structures.
Ол повышени надеин ос т прогно1за неф тегазоносностн структуры со значени миAll of the increase in the prediction of the neftegazone-bearing structure with
коэффнпиевта коррел ции между рассе нным органическим углеродом и суммой т желых углеводородов, меньше О,5, а между метаном и гелием больше 0,5, относ т к перспективным на нефть и газ. of the coefficient, correlations between scattered organic carbon and the sum of heavy hydrocarbons, less than 0, 5, and between methane and helium more than 0.5, are considered to be promising for oil and gas.
Данный способ геохимического поиска залежей нефти и гава позвол ет значительно сократить объем непродуктивного глубокого поискового бурени э сравнению с существующими способами, повысить эффективность геологоразведочных работ на нефть и газ.This method of geochemical prospecting of oil and gava deposits allows a significant reduction in unproductive deep exploratory drilling compared with existing methods, increasing the efficiency of geological exploration for oil and gas.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2198232A SU559206A1 (en) | 1975-12-10 | 1975-12-10 | Geochemical search method for oil and gas deposits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2198232A SU559206A1 (en) | 1975-12-10 | 1975-12-10 | Geochemical search method for oil and gas deposits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU559206A1 true SU559206A1 (en) | 1977-05-25 |
Family
ID=20640085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU2198232A SU559206A1 (en) | 1975-12-10 | 1975-12-10 | Geochemical search method for oil and gas deposits |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU559206A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995004293A1 (en) * | 1993-08-03 | 1995-02-09 | Advanced Oil Research Company, Inc. | Method of finding hydrocarbon deposits |
-
1975
- 1975-12-10 SU SU2198232A patent/SU559206A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995004293A1 (en) * | 1993-08-03 | 1995-02-09 | Advanced Oil Research Company, Inc. | Method of finding hydrocarbon deposits |
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