RU98111625A - METHOD FOR OIL DEPOSIT DEVELOPMENT - Google Patents

METHOD FOR OIL DEPOSIT DEVELOPMENT

Info

Publication number
RU98111625A
RU98111625A RU98111625/03A RU98111625A RU98111625A RU 98111625 A RU98111625 A RU 98111625A RU 98111625/03 A RU98111625/03 A RU 98111625/03A RU 98111625 A RU98111625 A RU 98111625A RU 98111625 A RU98111625 A RU 98111625A
Authority
RU
Russia
Prior art keywords
wells
reservoir
oil
depth
distance
Prior art date
Application number
RU98111625/03A
Other languages
Russian (ru)
Other versions
RU2123584C1 (en
Inventor
Л.И. Филимонов
М.А. Городников
П.В. Мангазеев
Original Assignee
Научно-техническая ассоциация Восточной нефтяной компании
Filing date
Publication date
Application filed by Научно-техническая ассоциация Восточной нефтяной компании filed Critical Научно-техническая ассоциация Восточной нефтяной компании
Priority to RU98111625A priority Critical patent/RU2123584C1/en
Priority claimed from RU98111625A external-priority patent/RU2123584C1/en
Application granted granted Critical
Publication of RU2123584C1 publication Critical patent/RU2123584C1/en
Publication of RU98111625A publication Critical patent/RU98111625A/en

Links

Claims (1)

Способ разработки нефтяной залежи, включающий отбор нефти через добывающие скважины и закачку рабочего агента через нагнетательные скважины с доразведкой залежи и определением ее границ, отличающийся тем, что за предполагаемой линией замещения на неколлектор анализируют глубину кровли песчаного тела на отметках продуктивного пласта и сравнивают с глубиной водонефтяного контакта, при глубине кровли песчаного тела выше глубины водонефтяного контакта и толщине песчаного тела более 4 м бурят разведочную скважину на расстоянии, соответствующем 2-4 кратному расстоянию между скважинами в сетке существующих скважин, при наличии нефтяного пласта с пониженным пластовым давлением в разведочной скважине бурят наклонные дополнительные скважины с того же основания с расстоянием между забоями скважин в нефтяном пласте, соответствующем 2-4 кратному расстоянию между скважинами в сетке существующих скважин, отбор нефти из пробуренных скважин ведут до снижения дебитов не более, чем на 20%, а разработку залежи продолжают в режиме поддержания пластового давления.A method for developing an oil reservoir, including oil extraction through production wells and pumping a working agent through injection wells with additional exploration of the reservoir and determining its boundaries, characterized in that the depth of the sand body roof is analyzed at the elevation of the producing formation and compared with the depth of the oil-water reservoir behind the assumed replacement line for the non-reservoir contact, when the depth of the roof of the sand body is higher than the depth of the oil-water contact and the thickness of the sand body is more than 4 m, an exploratory well is drilled at a distance, respectively 2-4 times the distance between the wells in the grid of existing wells, in the presence of an oil reservoir with a reduced reservoir pressure in the exploration well, inclined additional wells are drilled from the same base with a distance between the bottom faces of the wells in the oil reservoir corresponding to 2-4 times the distance between the wells in existing wells, oil is taken from drilled wells until production decreases by no more than 20%, and reservoir development continues while maintaining reservoir pressure.
RU98111625A 1998-06-26 1998-06-26 Method for development of oil deposit RU2123584C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98111625A RU2123584C1 (en) 1998-06-26 1998-06-26 Method for development of oil deposit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98111625A RU2123584C1 (en) 1998-06-26 1998-06-26 Method for development of oil deposit

Publications (2)

Publication Number Publication Date
RU2123584C1 RU2123584C1 (en) 1998-12-20
RU98111625A true RU98111625A (en) 1999-05-20

Family

ID=20207415

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98111625A RU2123584C1 (en) 1998-06-26 1998-06-26 Method for development of oil deposit

Country Status (1)

Country Link
RU (1) RU2123584C1 (en)

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