Plays: Lansing (Missourian), Marmaton (Upper Desmoinesian), and St. Louis (Lower Mississippian) Basin: Anadarko County: Finney County Terry Field--General Information--Detailed Data

Field Name: Terry

Producing Formations:

Kansas City Group

Farley

Dewey

Cherryvale

Swope

Hertha

Marmaton Group

Altamont

Higginsville

Black Jack Creek

Morrow Group

Mississippian

St Louis "A" Zone

Discovery Date: 11/20/91
Operator: Berexco
Well name: #1-34 Mike Rome
Geological Setting: Hugoton Embayment of Anadarko Basin
Surface Formation: Quaternary Pleistocene Undifferentiated Loess
Discovery Method: 2D Seismic Survey and Subsurface Geology
Trap Type: Structural

Reservoir Parameters:

Kansas City Group, carbonate, 10 to 25 ft.

Marmaton Group, carbonate, 10 to 25 ft.

Morrow Group, sandstone, 0 to 25 ft.

Mississippian, carbonate, 0 to 15 ft.

Reservoir Geometry:

Kansas City Group, subtidal upward coarsening carbonate shoal

Pleasanton Group, subtidal fossiliferous carbonate

Marmaton Group, subtidal upward coarsening carbonate shoal

Morrow Group, upward fining estuarine sandstones

Mississippian, subtidal nearshore oolite shoal

Oldest Horizon Penetrated: Mississippian (Spergen)
Proven Productive Area: 1,600 acres
Approved Spacing: 40 acres

	Net Pay		Porosity		Permeability (air)
Unit	Maximum	Average	Maximum	Average	Maximum	Minimum
Kansas City Group	18 ft.	8 ft.	27%	16%	12,100 (Kmd)	0 (Kmd)
Marmaton Group	10 ft.	8 ft.	26%	18%	94 (Kmd)	17 (Kmd)
Morrow Group	20 ft.	12 ft.	18%	12%	Unknown	Unknown
Mississippian	12 ft.	6 ft.	18%	14%	2,400 (Kmd)	11 (Kmd)

	Kansas City Group	Marmaton Group	Morrow Group	Mississippian
Water Saturation	Unknown	Unknown	Unknown	Unknown
Initial Field Pressure	Unknown	Unknown	Unknown	Unknown
Temperature	Unknown	Unknown	Unknown	Unknown
Drive Mechanism	Edge and Bottom Water Drive	Gas Solution and Partial Edge and Bottom Water Drive	Gas Solution	Edge and Bottom Water Drive

Produced Fluid Contacts:

Kansas City Group

• Farley - Oil/Water (-950)
• Dewey - Oil/Water (-1058)
• Cherryvale - Oil/Water (-1070)
• Swope
• Hertha

Marmaton Group

• Altamont
• Higginsville
• Black Jack Creek

Morrow Group

Mississippian

• St Louis "A" Zone

	Kansas City Group	Marmaton Group	Morrow Group	Mississippian
Oil Analysis	Unknown	Unknown	Unknown	Unknown
Gas Analysis	None	None	None	None
Water Analysis	Unknown	Unknown	Unknown	Unknown
EUR Primary	Unknown	Unknown	Unknown	Unknown
EUR Secondary	Unknown	Unknown	Unknown	Unknown

Logging Practice:

Dual Induction - SFL, Spontaneous Potential, Gamma Ray

Compensated Neuton, LithoDensity

BHC Sonic

MicroLog

Drilling-Casing Practice:

Conductor Casing: None

Surface Casing: 8 5/8"- 24# @ 1800' with 600 sxs Lite Common

Production Casing:

• 5 1/2"-15# @ RTD with 250 sxs Thixset + 5# Gilsonite
• DV Tool @ 3200' with 300 sxs Lite Common + 5# Gilsonite

Drilling Fluid Practice:

Water based gel to displacement point at 3600 ft.

Chemical Gel to rotary total depth

Treatment Practice:

Kansas City Group, 4 Shots/ft., 750 gals. 15% HCL-NE

Marmaton Group, 4 Shots/ft., 750 gals. 15% HCL

Morrow Group, 4 Shots/ft., 1000 gals. MCA

Mississippian, 4 Shots/ft., 3000 gals. 15% HCL

Published References Use the KGS Online Bibliography