One-Page Deal Sheet
Chisholm Oil & Gas, Gastar to Merge; Form PE-Backed STACK E&P
Chisholm Oil & Gas LLC Gastar Exploration Inc
Announced Date
June 19,2019
Close Date
September 30,2019
Transaction Type
Corporate
Asset/Basin:
{"Anadarko Basin",STACK}
TargetZones:
{"Hunton Limestone",
Net Acres
Net Operated Locations:
Proved Reserves
Location
Region
Mid-Continent - Anadarko Basin
Country
United States
State
Oklahoma
County
Garfield ,Kingfisher
Play
Production & Reserves Production
Reserves
Transaction Details: Require Private Equity Subscription
Chisholm Oil and Gas LLC and Gastar Exploration LLC have entered into definitive agreements to effect a merger between the two companies.
The combined company, which will operate under the name Chisholm Oil and Gas, will be headquartered in Tulsa, Oklahoma.
Both companies are backed by private equity firms.
Chisholm was formed in 2017 and is backed by Apollo Global Management. Gastar is owned through private equity funds affiliated with Ares Management Corp. Gastar only recently emerged from bankruptcy in January 2019.
Gastar's Assets Acreage: 69,400 net acres in Garfield and Kingfisher…Mid-Continent - Anadarko Basin Deal Activity In Last 12 Months
| Announced Date | Buyer | Seller | Deal Value($mm) | Location | Category |
|---|---|---|---|---|---|
| Feb-17-2026 |
-  |
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Click here | Oklahoma | E&P |
| Sep-09-2025 |
- |
- |
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| Aug-07-2025 |
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- |
Click here | Oklahoma | E&P |
| Mar-24-2025 |
- |
- |
Click here | Oklahoma | E&P |
| Sep-06-2022 |
- |
- |
Click here | E&P |
| Date | Deal Headline | Price | $/acre |
|---|---|---|---|
| Feb-02-2026 | Devon Acquires Coterra Energy; Bulk Up on Permian, Adds Gas Bank | - |
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| Jul-28-2022 | Diversified Picks Up MidCon Assets from Conoco for $240 Million | - |
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| Mar-02-2022 | BCE-Mach Picks Up Midcontinent Assets for $66.5MM; STACK, MissLime | - |
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