Facility Detail

COGIS - PIT INFORMATION

Insp

HILL RANCH - #292538 Information

Status: AC - 1/4/2010

Facility ID:

292538

Facility Name/No:

HILL RANCH / 18-16

Operator Name/No:

OGRIS OPERATING LLC/10758

Facility Status/Date:

AC / (1/4/2010)

County Name/No:

LAS ANIMAS / 071

Location:

SESE 18 35S67W

Field Name/No:

PURGATOIRE RIVER / 70830

Lat/Long:

36.993610 / -104.922100

Pit Use:

Offsite Disposal:

N/A

Existing Site Conditions

Sensitive Area:

Land Use:

NON CROP LAND

Dist. to Surface Water:

1388 ft.

Depth to Ground Water:

196 ft.

Dist. to Water Wells:

5280 ft.

Pit Design and Construction Data

Size of Pit (feet):

Depth:

6 ft. ft.

Length:

70 ft.

Width:

35 ft.

Calc. PIT Capacity (bbls/day): 2618

Daily Disposal Rates (bbls/day)

Evap:

Perc:

524

Pit Type:

UnLined

Liner Material:

Thickness:

Treatment Method:

SEPARATOR

Pit Covering Fence:

Net:

Comment:

Rule 909.j Inspection Information

Form 43 Document #	Pit Inspection Date	Unlined	Lined	Fenced	Netted
404615475	03/18/2026	X

Rule 909.j Sample Data

Form 43 Doc#: 404615475 Facility ID: 265528 API#: 071-07777 Oil/Gas Well Name: HILL RANCH 18-16V
Sample ID: 675534 Sample Date: 03/18/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E150.1	PH, LAB	8.65	pH Units
E160.1	TOTAL DISSOLVED SOLIDS	1100	mg/L	10
E200.7	CALCIUM	1.75	mg/L	0.4
E200.7	IRON	0.429	mg/L	0.1
E200.7	MAGNESIUM	0.322	mg/L	0.126
E200.7	POTASSIUM	ND	mg/L	2	ND
E200.7	SODIUM	447	mg/L	2
E200.7	STRONTIUM	0.362	mg/L	0.2
E200.8	BARIUM	0.162	mg/L	0.001
E200.8	BORON	0.458	mg/L	0.02
E200.8	MANGANESE	0.0059	mg/L	0.004
E200.8	SELENIUM	ND	mg/L	0.002	ND
E300.0	BROMIDE	0.515	mg/L	0.5
E300.0	CHLORIDE	59	mg/L	5
E300.0	FLUORIDE	3.4	mg/L	0.5
E300.0	SULFATE	ND	mg/L	5	ND
E353.2	NITRATE/NITRITE AS N	ND	mg/L as N	0.02	ND
E365.1	PHOSPHORUS	0.0574	mg P/L	0.05
SATPASTE-SAR	SODIUM ADSORPTION RATIO	55.4	No Unit
SM2320B	BICARBONATE ALKALINITY as CACO3	830	mg/L	10
SM2320B	CARBONATE ALKALINITY AS CACO3	140	mg/L	10
SM2320B	HYDROXIDE ALKALINITY AS CACO3	ND	mg/L	10	ND
SM2320B	TOTAL ALKALINITY AS CACO3	970	mg/L	10
SM2340B	HARDNESS (AS CACO3)	5.71	mg/L	1.82
SM2510B	SPECIFIC CONDUCTIVITY	1840	umho/cm@25C	1
SM2540D	TOTAL SUSPENDED SOLIDS	ND	mg/L	2.5	ND
SW8015	TEPH DIESEL RANGE ORGANICS	ND	mg/L	1	ND
SW8015	TEPH Diesel Range Organics (extended)	ND	mg/L	1	ND
SW8015	TVPH - Gasoline Range Organics	ND	mg/L	1	ND
SW8260	BENZENE	ND	mg/L	0.0005	ND
SW8260	ETHYLBENZENE	ND	mg/L	0.0005	ND
SW8260	M-+P-XYLENE	ND	mg/L	0.001	ND
SW8260	NAPHTHALENE	ND	mg/L	0.0005	ND
SW8260	o-XYLENE	ND	mg/L	0.0005	ND
SW8260	TOLUENE	ND	mg/L	0.0005	ND
SW8260	TOTAL XYLENES	ND	mg/L	0.001	ND

Form 43 Doc#: 404615475 Facility ID: 265528 API#: 071-07777 Oil/Gas Well Name: HILL RANCH 18-16V
Sample ID: 675535 Sample Date: 03/18/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
GA	226RADIUM	0.2	pCi/L
GA	226RADIUM	1	pCi/L
GA	228RADIUM	0.8	pCi/L

COGIS

Facility Detail

COGIS - PIT INFORMATION

Form 43 Doc#: 404615475 Facility ID: 265528 API#: 071-07777 Oil/Gas Well Name: HILL RANCH 18-16V Sample ID: 675534 Sample Date: 03/18/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 404615475 Facility ID: 265528 API#: 071-07777 Oil/Gas Well Name: HILL RANCH 18-16V Sample ID: 675535 Sample Date: 03/18/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 404615475 Facility ID: 265528 API#: 071-07777 Oil/Gas Well Name: HILL RANCH 18-16V
Sample ID: 675534 Sample Date: 03/18/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.

Form 43 Doc#: 404615475 Facility ID: 265528 API#: 071-07777 Oil/Gas Well Name: HILL RANCH 18-16V
Sample ID: 675535 Sample Date: 03/18/2026 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Green Analytical Laboratories, Inc.