发明名称 |
METHOD FOR EXTRACTION OF HEAVY AND HIGH VISCOUS HYDROCARBONS FROM UNDEGROUND DEPOSITS |
摘要 |
FIELD: oil and gas industry. ^ SUBSTANCE: invention refers to method of extraction of tar sand or of heavy oil with high viscosity from underground deposit. The essence of the invention is as follows: the method includes boring and preparing to operation of a pressure well which is finished with a horizontal section in a deposit and of a producing well a horizontal section of which is finished in the deposit below the level of the pressure well, then the method includes formation of a permeable zone between the pressure and producing wells of heat carrier into the pressure well and simultaneous withdrawal of hydrocarbons from the producing well. According to the invention a horizontal section of a pressure well is oriented to the side of a producing well at length of 95-99% of distance between the wells. A horizontal section of the producing well is oriented to the side of the pressure well at length of 95-99% of distance between the wells. At that an additional horizontal section in the pressure well is made towards the producing well of length consisting 10-15% of distance between the wells. Also an additional horizontal section in the producing well is made towards the pressure well of length consisting 10-15% of distance between the wells. A permeable zone is formed between horizontal sections of pressure and producing wells. For that, before operating, hydro breaks are performed successively for each row of wells with pumping a horizontal layer of proplant. ^ EFFECT: increased efficiency of deposit development. ^ 2 dwg
|
申请公布号 |
RU2339806(C1) |
申请公布日期 |
2008.11.27 |
申请号 |
RU20070103266 |
申请日期 |
2007.01.26 |
申请人 |
OTKRYTOE AKTSIONERNOE OBSHCHESTVO "TATNEFT'" IM. V.D. SHASHINA |
发明人 |
IBATULLIN RAVIL' RUSTAMOVICH;KUNEEVSKIJ VLADIMIR VASIL'EVICH;STRAKHOV DMITRIJ VITAL'EVICH;OSNOS VLADIMIR BORISOVICH;ZIJATDINOV RADIK ZJAUZJATOVICH |
分类号 |
E21B43/24 |
主分类号 |
E21B43/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|