2 1 - v. I C ' Q. 1 ev I -, ADMINISTRATIVE NOTICE

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1 STATE OF WEST VIRGINIA Department of Revenue State Tax Department 2 1 v. I C ' Q. 1 ev I, Joe R.IRtrcltitr III Govcrtror Clrrisfop her G. Morris State Tax Corntnissioner ADMINISTRATIVE NOTICE SUBJECT: Property Tax State Tax Con~n~issioner's Statement for the Determination of Production Decline Rates for Producing Oil and Gas Properties for Property Tax Purposes for Tax Year 2008, Pursuant to 110 CSR On September , the State Tax Departnlent filed valuation variables to be used in conjunction with the legislative rule for the appraisal of oil and gas properties. (See: CSR 1 J 1 et seq.) This notice will address one of the variables. the production decline rate(s), setting forth the procedures used in developing the rate(s) for Tax Year DISCUSSION The income stream generated from a producing oil or gas well is directly dependent upon the quantity of the natural resource produced from the well. Once drilled an oil or gas well will experience a sharper production decline, typically for the first two(2) years of production. This is known as flush production. Thereafter production decline levels off into what is known as settled production. The rate of production decline is dependent upon the physical location of the well and the stratigraphic formation(s) from which the well is producing. The West Virginia Geological and Economic Survey ("Survey") has in past years created a database that contains wellbywell production data by producing formation(s). The Tax Department contracted with the Survey to develop an analytical model to plot production declines by location/formation throughout the State using data available at the time of the contract. The Survey has divided the State into ten (10) regions that contain similar oil and gas geological characteristics. Attachment I is a map of the State depicting each of these ten (10) regions. The regions were then analyzed by producing fonnation(s), and production decline curves were plotted (see Attachment 11 for example) for each formation. A conlplete list of the oil and gas decline rates (see Attachment ILI) can also be fou~ld in the above referenced variables filed on September The appropriate production decline rate(s) are applied to individual well gross receipts to develop a probable hture income series for the respective wells. The income streams fiom these wells are then discounted to present value. (See Administrative Notice ). Property Tax Division P. 0. Box 2389 Charleston, \W Piione (304) Fax (304)

2 Admiriistrative Notice Page 2 For more information concenling the developnlent of oil and gas well production decline rates contact the State Tax Department at (304) c Issued: )&3Gg Christopher G. Morris State Tax Commissioner West Virginia State Tax Department State Tax Department Property Tax Division P. 0. Box 2389 Charleston, WV Operator on Duty 8:30 am 5:00 pm Monday through Friday Phone: (304) FAX: (304)

3 08 and Natural Gas Decline Rate Regions Region wa Central East Ky Rrl u Central Ei,a West South F j South Central l=l South West West Central West

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8 Decline Rates for Natural Gas and Oil Formations Code Year 1 Year 2 Year3+ Brooke 11 Gordon Hancock 13 Alexander, Benson, Riley Marshall 15 Benson, Riley Ohio 93 4th Sand Tyler Foot WetzeI 95 InjunNVeir Maxton ~ !!@ 97 Coalbed Methane (vertical) Exception (median) NonFiler

9 I Decline Rates for Natural Gas and 011 Fonnations I Code Byson, Riley, ~p Gordon Ale~ander.~B~~ Alexander. Benson, Riley Benson Big lnjun~ Bvson, Fih Weir Weir + ~ Et Bern Central Central Year I Year 2 Year ~ O.I9. 0.lL :o:os Central , 0:3_ Ol_2O I 0.34 O.?Z '. Barbour Doddridge Gilmer Harrison Lewis Marion Monongalia Taylor Upshur egn (no Alexander) Excep!Amedia?! NonFiler I 0.03 ~ Coamed Methane (Horizontal) ' New Formation(s) involved in recenl production. These mll be valued with the Exception rates until decline informalion is available.

10 ~. Decline Rates for Natural Gas and Oil Formations I Code West West West Year 1 Year 2 Year 3+ Pleasants 2 Huron. Rhinestreel , 0.07 Ritchie 4 HI,ca % Wood 5 H m. SW. e v e ~ u ~ n Berea ~ Gordon rue8ndw. Benm(NoR~!ey) Alexander. ewn. Riley ~ B~~~ 0.38, , Rhineslreet Huron,*llow Shale ~ e r. R J e ~, (no Benson)L Rlineseel. Alexander. Bonso_n, Rce Weir. Squaw, BigInju_nn Rhinestreet ~ ~ ~05, ,lO I :P.C!_ I 0.27 _ 0.40 ~ 0.27! Rhinestreel + ~ , p All UpperJevonen (undiv) : Huron. Chesng Humn. Hampshrre. Peno UPrDevorian (awe~h!) C~~s~R~,Bradf~,B_@l~.SpeedrIeyLWm(1~3 Benson or AJexanda~ HlrmOii :o.li fiS~d so F O ~ 0.34 ~ InjuruWeir , ME ~ ~ 0.70, 0.27, TrentonlDeepe? , 10 ExceptEon(median) ~ ,24,NorrFiter New Formabon(s) Involved In recent pmducbon. These wll be vahed Hnth the Excepfon rates unm ddie information o avatlable

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14 Decline Rates for Natural Gas and Oil Formations I West West West Code Central Central Central Year 1 Year 2 Year 3+ Calhoun 2 Huron, Rhinestreet Roane 4 Huron Wirt 27 Huron, Shales above Huron Rhinestreet, Huron, Shallow Shale Devonian Shale, Pocono Pocono BigJnjun Oil I th Sand =Foot IrjunMleir Maxton TrentonIDeeper* Exception (median) NonFiler * * New Formation(s) involved in recent production. These will be valued with the Exception rates until decline information is available.

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