Facility Detail

COGIS - WELL SCOUT CARD

Related Insp MIT GIS Old GIS Doc COA Wellbore Orders Bradenhead
Surface Location API# 05-123-21534		Well Classification: GW	Status: PR - 5/1/2020
Well Name/No:	GURTLER #12-30 (Click Well Name for Production Data)	Click Here for Transporter Gatherer Info
Operator:	BISON IV OPERATING LLC - 10670 (Click Operator Name for Company Detail Report)	Federal Or State Lease #:
Facility Status:	PR	Status Date	5/1/2020
FacilityID:	268186	LocationID:	331901
County:	WELD #123	Location:	SWNW 30 2N64W 6
Field:	WATTENBERG - #90750	Elevation:	4895 ft.
Basin:	DENVER (DJ) BASIN
Planned Location:	2177FNL 619 FWL	Lat/Long: 40.110659 / -104.600664	Lat/Long Source: Calculated From Footages
As Drilled Location:	Footages Not Available	Lat/Long: 40.110725 / -104.601064	Lat/Long Source: Field Measured

Wellbore And Formation Details -- select either a wellbore Or formation to expand.

Wellbore #00 Wellbore Classification: GW Status: PR - 5/1/2020 Measured TD: 7745 ft.

Wellbore Data for Original Wellbore		Wellbore Classification: GW PR - 5/1/2020
Wellbore Permit
Permit #:	20050231	Expiration Date:	2/13/2006
Proposed Depth/Form:	7745 ft.
Surface Mineral Owner Same:	Yes
Mineral Owner:	FEE	Surface Owner:	FEE
Unit:		Unit Number:
Formation And Spacing:	Code: CODL , Formation: CODELL , Order: 407,407-66, Unit Acreage: 320, Drill Unit: W2
Formation And Spacing:	Code: DKTA , Formation: DAKOTA , Order: 499-1 , Unit Acreage: 320, Drill Unit: W/2
Formation And Spacing:	Code: GRNHN , Formation: GREENHORN , Order: 318A , Unit Acreage: 320, Drill Unit: W/2
Formation And Spacing:	Code: GRRS , Formation: GRANEROS , Order: 318A , Unit Acreage: 320, Drill Unit: W/2
Formation And Spacing:	Code: JSND , Formation: J SAND , Order: 232,318A , Unit Acreage: 320, Drill Unit: W/2
Formation And Spacing:	Code: NBRR , Formation: NIOBRARA , Order: 407,407-66, Unit Acreage: 320, Drill Unit: W/2
Casing:	String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 1012 ft., Weight: 24 , Citings Type: PLANNED
Cement:	Sacks: 325, Top: 0 ft., Bottom: 1012 ft.
Casing:	String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 7023 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:	Sacks: 250, Top: 6400 ft., Bottom: 7023 ft.

Wellbore Completed
Completion Date:	6/30/2003
Spud Date:	6/12/2003	Spud Date Is:	ACTUAL
Measured TD:	7745 ft.	Measured PB depth:	7702 ft.
True Vertical TD:		True Vertical PB depth:
Log Types:	ARRAY INDUCTION, COMPENSATED NEUTRON DENSITY, MICROLOG, CBL
Casing:	String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 1012 ft., Weight: 24 , Citings Type: ACTUAL
Cement:	Sacks: 325, Top: 0 ft., Bottom: 1012 ft., Determination Method: CALC
Casing:	String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 7023 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:	Sacks: 250, Top: 6400 ft., Bottom: 7023 ft., Determination Method: CBL
Formation	Interval Top	Log Bottom	Cored	DSTs
SUSSEX	4494 ft.		N	N
NIOBRARA	6850 ft.		N	N
FORT HAYS	7125 ft.		N	N
CODELL	7149 ft.		N	N
GREENHORN	7224 ft.		N	N
GRANEROS	7425 ft.		N	N
D SAND	7528 ft.		N	N
MOWRY	7572 ft.		N	N
J-2 SAND	7593 ft.		N	N
SKULL CREEK	7709 ft.		N	N

Formation JSND Formation Classification: GW Status: PR - 5/1/2020 Interval Top: 7604 ft. Interval Bottom: 7662 ft.

Completed Information for Formation J SAND

1st Production Date:	N/A	Choke Size:	0.313 in.
Formation Name:	J SAND	Commingled:	No
Production Method:	FLOWING
Open Hole Completion:	No

Formation Treatment
Treatment Date:	6/30/2003
Treatment Summary:	PERF'D THE J SAND FROM 7604'-7662' W/2 SPF. FRAC'D THE J SAND 193,578 GAL SLICK WATER CONTAINING 161,180 # 20/40 SAND. FLOW BACK WELL. RIH W/PROD TBG. SWAB

Test Type	Measure
Tubing Size:	2.375 in.	Tubing Setting Depth:	7578 ft.
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
Initial Test Data:
Test Date:	7/25/2003	Test Method:	FLOWING
Hours Tested:	24	Gas Type:
Gas Disposal:	SOLD
BBLS_H2O	73
BBLS_OIL	2
CALC_BBLS_H2O	73
CALC_BBLS_OIL	2
CALC_GOR	114500
CALC_MCF_GAS	229
CASING_PRESS	520
MCF_GAS	229
TUBING_PRESS	212

Perforation Data:
Interval Top:	7604 ft.	# Of Holes:	70
Interval Bottom:	7662 ft.	Hole Size:

Formation GRRS Formation Classification: GW Status: TA - 1/1/2017 Interval Top: 7495 ft. Interval Bottom: 7530 ft.

Completed Information for Formation GRANEROS

1st Production Date:	N/A	Choke Size:
Formation Name:	GRANEROS	Commingled:	No
Production Method:
Open Hole Completion:	No

Formation Treatment
Treatment Date:	6/30/2003
Treatment Summary:	SET CIBP @ 7590', 9/4/03. FRAC'D THE GRANEROS FROM 7495-7530' W/ SLICKWATER CWS-600,110,000# WITH 70/140 SAND, 9/8/03

Test Type	Measure
Tubing Size:		Tubing Setting Depth:
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
Initial Test Data:
Test Date:	1/7/2004	Test Method:
Hours Tested:	24	Gas Type:
Gas Disposal:
BBLS_H2O	0
BBLS_OIL	0
CALC_BBLS_H2O	0
CALC_BBLS_OIL	0
CALC_GOR	0
CALC_MCF_GAS	0
MCF_GAS	0

Perforation Data:
Interval Top:	7495 ft.	# Of Holes:	140
Interval Bottom:	7530 ft.	Hole Size:	0.32 in.

Formation CODL Formation Classification: GW Status: CM - 1/7/2004 Interval Top: 7151 ft. Interval Bottom: 7167 ft.

Completed Information for Formation CODELL

1st Production Date:	3/9/2005	Choke Size:
Formation Name:	CODELL	Commingled:	No
Production Method:
Open Hole Completion:	No

Formation Treatment
Treatment Date:	6/30/2003
Treatment Summary:	CODELL RECOMPLETION. SET CFP @ 7380' 02/27/05. FRAC'D THE CODELL (7151'-7167') WITH 130,998 GAL FRAC FLUID WITH 300,360# SAND. 03/03/05

Tubing Size:		Tubing Setting Depth:
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
No Initial Test Data was found for formation CODL.

Perforation Data:
Interval Top:	7151 ft.	# Of Holes:	64
Interval Bottom:	7167 ft.	Hole Size:	0.38 in.

Formation JGRRS Formation Classification: GW Status: CM - 3/15/2005 Interval Top: 7151 ft. Interval Bottom: 7662 ft.

Completed Information for Formation JSND-GRANEROS

1st Production Date:	N/A	Choke Size:
Formation Name:	JSND-GRANEROS	Commingled:	No
Production Method:	FLOWING
Open Hole Completion:	No

Formation Treatment
Treatment Date:	6/30/2003
Treatment Summary:	JSND-GRRS-CDL COMMINGLE. DRILLED OPUT CFP @ 7380' TO COMMINGLE THE JSND-GRRS-CDL. 03/09/05

Test Type	Measure
Tubing Size:	2.375 in.	Tubing Setting Depth:	7585 ft.
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
Initial Test Data:
Test Date:	3/15/2005	Test Method:	FLOWING
Hours Tested:	24	Gas Type:
Gas Disposal:	SOLD
BBLS_H2O	6
BBLS_OIL	10
CALC_BBLS_H2O	6
CALC_BBLS_OIL	10
CALC_GOR	7400
CALC_MCF_GAS	74
CASING_PRESS	620
MCF_GAS	74
TUBING_PRESS	220

Perforation Data:
Interval Top:	7151 ft.	# Of Holes:	274
Interval Bottom:	7662 ft.	Hole Size:	0.32 in.

Formation JNBCD Formation Classification: GW Status: CM - 10/19/2009 Interval Top: 6911 ft. Interval Bottom: 7662 ft.

Completed Information for Formation J-NIOBRARA-CODELL

1st Production Date:	N/A	Choke Size:
Formation Name:	J-NIOBRARA-CODELL	Commingled:	No
Production Method:
Open Hole Completion:	No

Formation Treatment
Treatment Date:	6/30/2003
Treatment Summary:	JSND-NBRR-CDL-GRAN COMMINGLE. DRILLED OUT CBP @ 7060. 10/12/2009. DRILLED OUT CBP @ 7230 TO COMMINGLE THE NBRR-CDL-GRAN-JSND. 10/13/2009.

Test Type	Measure
Tubing Size:	2.375 in.	Tubing Setting Depth:	7582 ft.
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
Initial Test Data:
Test Date:	10/19/2009	Test Method:	FLOWING
Hours Tested:	24	Gas Type:	DRY
Gas Disposal:	SOLD
BBLS_H2O	27
BBLS_OIL	17
BTU_GAS	1193
CALC_BBLS_H2O	27
CALC_BBLS_OIL	17
CALC_GOR	7176
CALC_MCF_GAS	122
MCF_GAS	122

Perforation Data:
Interval Top:	6911 ft.	# Of Holes:	314
Interval Bottom:	7662 ft.	Hole Size:	0.38 in.

Formation NB-CD Formation Classification: GW Status: PR - 5/1/2020 Interval Top: 6911 ft. Interval Bottom: 7167 ft.

Completed Information for Formation NIOBRARA-CODELL

1st Production Date:	10/19/2009	Choke Size:
Formation Name:	NIOBRARA-CODELL	Commingled:	Yes
Production Method:
Open Hole Completion:	No

Formation Treatment
Treatment Date:	10/5/2009
Treatment Summary:	SEE OPERATOR COMMENTS

Tubing Size:		Tubing Setting Depth:
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
No Initial Test Data was found for formation NB-CD.

Perforation Data:
Interval Top:	6911 ft.	# Of Holes:	104
Interval Bottom:	7167 ft.	Hole Size:	0.38 in.

All Designations		Date
Primary Well Designation: None i
Reported Plugged	N
Out Of Service Repurposed	N
Out Of Service	N
Inactive Exception	N
Noticed Inactive	N
Defined Inactive	N
Low Producing	N

December 2024 - November 2025	i
BOE/MCFE/GOR Calculations Production for Previous 12 Months
Total Oil Produced (Barrels)	625
Total Gas Produced (MCF)	6280
GOR	10048
GOR Determination	BOE
Average BOE per Day	4.689
Average MCFE per Day	27.202

Federal Financial Assurance

Tribal Well