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`r/' v DIVISION OF OIL AND GAS • rkmaw No. P 681-491 REPORT ON PROPOSED OPERATIONS (Wb code) (area code) WELL CLASSIFICATION: -- DEVELOPMENT (new pool code) Harrv_ Hull_ -Hull ARM PETRQ1_-t1_1M C p (old pool code) p_n_ a"= cI __ Woodland , California Ventura- Gs 920Q1 October 2- 1981 Yourproposal to drill well "Buttes-Rio Blanco" 15-77X AP.1. No.----M--2Q361 Proj- Section_ T.AN R. 5E H•QB. & --- field, - area, --- pool, San Joaquin County, dated_ 9-24-81 ,received 9-29-81 has been examined in conjunction with records filed in this office. THE PROPOSAL IS APPROVED PROVIDED THAT: 1. The 8 5/81, casing is cemented with sufficient cement to fill behind this casing from the shoe to the ground surface. 2. The 4 1/2" casing is cemented with sufficient cement to fill behind this casing from the shoe to at least 500 feet above the uppermost oil or gas zone. 3. Drilling fluid of a quality and in sufficient quantity to control all subsurface conditions in order to prevent blowouts is used. 4. Blowout prevention equipment conforming to Class III B 2M requirements is installed on the 8 5/8" casing and maintained in operating condition at all times. See Manual P07 and attached sheet. 5. Blowout prevention equipment conforming to Class "III" 3M requirements is installed on the 4 1/2" casing and maintained in operating condition atall times. See Manual M07 and attached sheet. 6. 1"atcr with any beneficial use is protected from contamination at all times. 7. The division is furnished copies of any draw down or back pressure tests performed. In addition the division will monitor the production for a period of six months and if anomalous water production is indicated, remedial action will be ordered. 8. THIS DIVISION IS NCTIFIED: a. Before deviating from the proposed casing program and/or placing any plugs in the hole. Additional requirements shall be outlined at that time. b. To witness a test of the installed blowout prevention equipment prior to drilling out the shoe of the 8 5/8" casing. The blind/blank rams shall be tested by the operator prior to calling the Division inspector. Test information of the blind/ blank Yam test shall be entered on the tour sheet along with the signature of the person in charge. NOTE: 1. This well has been granted confidential status for two years from the date of its completion or aband,,nment. 2. Infor-maticn on fire in this office indicates that the base of the useable fresh water deposits slould be encountered at a depth of approximately 3001. Blanket Bcnd l(PH A w CC . Co. , Ventura CONI STAT S M G. MEFFERD, State Oil and Gas Supervisor By John C.Suls�l ivan A copy of this report and the proposal must be posted at the well site prior to commencing operations. Records for work done under this permit are due within 60 days after the work has been completed or the operations have been suspended.