Use of Downhole Hydrocyclone Oil-Water Separators

Summary of Permitting Requirements

Application Requirements
	Wellbore Sketch	Current fluid level or formation pressure	Proposed Water:Oil Ratio	Proposed bottomhole injection pressure
Production above Injection (P/I) Both zones are within the same reservoir	Required	Required	Not Required	Required
Production above Injection (P/I) Injection zone is in a different reservoir	Required	Required	Required	Required
Injection above Production (I/P)	Required	Required	Required	Required

Permit Requirements
	Initial MIT	Subsequent MIT	Tubing-casing annulus monitoring	Measure fluid level	Water : Oil Ratio
Conventional injection wells	Pressure test 200 psi min. 500 psi max.	After each workover, every 5 years with full surface casing, annually without	Weekly if any part of the groundwater is protected only be uncemented casing	-	-
Production Above Injection (P/I) Both zones are within the same reservoir	Pressure test or Ada test 200 psi.	After each workover, at least eevery 10 years	-	Quarterly	-
Production Above Injection (P/I) Injection zone is in the different reservoir	Pressure test or Ada test 200 psi.	After each workover, at least eevery 10 years	-	Quarterly	1:1 min.
Injection Above Production (I/P) Surface casing is set and cemented through the entire zone of usable quality groundwater	Pressure test 200 psi.	After each workover, at least eevery 5 years	Monthly*	-	1:1 min
Injection Above Production (I/P) Surface casing is not set and cemented through the entire zone of usable quality groundwater	Pressure test 200 psi.	After each workover, at least every 3 years	Weekly	-	1:1 min.