Method for increasing yield by carrying out reinjection on oil layer by utilizing fire flood oil field production well associated tail gas
A technology for production wells and oil fields, which is applied in the field of reinjection of associated tail gas from production wells in fire flooding oilfields, can solve problems such as environmental pollution and waste of associated tail gas resources in oil fields, and achieve the goals of overcoming environmental pollution, low composition requirements, and strong applicability Effect
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[0032] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.
[0033] The invention provides a method for increasing production by using the associated tail gas of the production well of the fire flooding oilfield to reinject into the oil layer. The method of generating gas is the prior art, and will not be repeated here; in order to achieve a better production stimulation effect, the temperature range of the thermal fluid re-injected into the reservoir formation is 120 ° C to 180 ° C, in a specific embodiment of the present invention , the temperature of the thermal fluid is 156°C. Then inject the thermal fluid back into the reservoir formation to complete the reservoir stimulation.
[0034] In the method for increasing production by using the associated tail gas of the production well of ...
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