# Gary R Petersen

Gary R Petersen of Houston, TX appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 49 filing roles across Form D (47), Form ADV (2).

## Filings (49)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-03-31 | Form ADV | [FLATROCK ENERGY ADVISORS, LLC](https://search.stillhousedata.com/firm/161237) | MANAGER | SAN ANTONIO, TX |
| 2025-03-31 | Form ADV | [ENCAP INVESTMENTS L.P.](https://search.stillhousedata.com/firm/160695) | MANAGING PARTNER | HOUSTON, TX |
| 2011-05-06 | Form D | [Shona Energy Company, Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1386166&type=&dateb=&owner=include&count=40) | Director | Houston, TX |
| 2011-03-01 | Form D | [EnCap Energy Capital Fund VIII-B, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1504104&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2011-03-01 | Form D | [EnCap Energy Capital Fund VIII-D, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1504105&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2011-03-01 | Form D | [EnCap Energy Capital Fund VIII, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1504103&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2011-02-11 | Form D | [EnCap Energy Capital Fund VIII-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1512632&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2017-08-09 | Form D | [EnCap Energy Capital Fund VIII Co-Investors B, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1537404&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2018-12-14 | Form D | [EnCap Energy Capital Fund VIII Co-Investors D, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1537385&type=&dateb=&owner=include&count=40) | Executive Officer | Houston, TX |
| 2018-12-14 | Form D | [EnCap Energy Capital Fund VIII Co-Investors, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1537403&type=&dateb=&owner=include&count=40) | Executive Officer | Houston, TX |
| 2012-05-16 | Form D | [EnCap Flatrock Midstream Fund II-D, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1549852&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2012-05-16 | Form D | [EnCap Flatrock Midstream Fund II-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1549851&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2012-05-16 | Form D | [EnCap Flatrock Midstream Fund II, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1549850&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2013-01-02 | Form D | [ENCAP ENERGY CAPITAL FUND IX-D, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1565684&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2013-01-02 | Form D | [ENCAP ENERGY CAPITAL FUND IX-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1565685&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2013-01-02 | Form D | [EnCap Energy Capital Fund IX, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1565683&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2014-04-17 | Form D | [EnCap Flatrock Midstream Fund III-D, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1605714&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2014-04-17 | Form D | [EnCap Flatrock Midstream Fund III-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1605705&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2014-04-17 | Form D | [EnCap Flatrock Midstream Fund III, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1605747&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2015-03-19 | Form D | [EnCap Energy Capital Fund X-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1636725&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2015-03-19 | Form D | [EnCap Energy Capital Fund X, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1636722&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2015-03-19 | Form D | [EnCap Energy Capital Fund X-D, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1636726&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2017-12-15 | Form D | [EnCap Energy Capital Fund XI-D, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1693948&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2017-01-09 | Form D | [EnCap Energy Capital Fund XI, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1693946&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2017-01-09 | Form D | [EnCap Energy Capital Fund XI-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1693947&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2017-12-15 | Form D | [EnCap Energy Capital Fund XI-C Facilitator, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1724946&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2017-12-04 | Form D | [EnCap Flatrock Midstream Fund IV-D, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1723611&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2017-12-04 | Form D | [EnCap Flatrock Midstream Fund IV, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1723598&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2017-12-04 | Form D | [EnCap Flatrock Midstream Fund IV-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1723605&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2018-12-14 | Form D | [EnCap Energy Capital Fund VIII Co-Investors B, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1537404&type=&dateb=&owner=include&count=40) | Executive Officer | Houston, TX |
| 2020-12-18 | Form D | [EnCap Energy Transition Co-Investment Fund I-E, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1797742&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2020-12-18 | Form D | [EnCap Energy Transition Co-Investment Fund I-B, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1797743&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2020-12-18 | Form D | [EnCap Energy Transition Co-Investment Fund I-A, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1797745&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2021-05-06 | Form D | [EnCap Energy Transition Fund I-E, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1797278&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2020-12-18 | Form D | [EnCap Energy Transition Fund I-B, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1797277&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2020-12-18 | Form D | [EnCap Energy Transition Fund I-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1799117&type=&dateb=&owner=include&count=40) | Executive Officer | George Town, Grand Cayman, E9 |
| 2021-01-04 | Form D | [EnCap Energy Transition Co-Investment Fund I-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1799116&type=&dateb=&owner=include&count=40) | Executive Officer | GEORGE TOWN, GRAND CAYMAN, E9 |
| 2023-08-31 | Form D | [EnCap Energy Transition Fund II-E, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1931737&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2023-08-31 | Form D | [EnCap Energy Transition Fund II-B, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1931735&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2023-08-31 | Form D | [EnCap Energy Transition Fund II-A, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1931732&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2023-08-31 | Form D | [EnCap Energy Transition Fund II-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1948007&type=&dateb=&owner=include&count=40) | Executive Officer | GEORGE TOWN, GRAND CAYMAN, E9 |
| 2023-08-22 | Form D | [EnCap Flatrock Midstream Fund V-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1943608&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2023-08-22 | Form D | [EnCap Flatrock Midstream Fund V-B, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1943566&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2023-08-22 | Form D | [EnCap Flatrock Midstream Fund V, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1943569&type=&dateb=&owner=include&count=40) | Executive Officer | SAN ANTONIO, TX |
| 2024-04-18 | Form D | [EnCap Energy Capital Fund XII-C, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1973717&type=&dateb=&owner=include&count=40) | Executive Officer | GEORGE TOWN, GRAND CAYMAN, E9 |
| 2024-04-18 | Form D | [EnCap Energy Capital Fund XII-B, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1970492&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2024-04-18 | Form D | [EnCap Energy Capital Fund XII, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1970507&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2025-10-01 | Form D | [EnCap Energy Capital Fund VIII MergeCo, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2083454&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2025-10-01 | Form D | [EnCap Energy Capital Fund VIII Co-Investors MergeCo, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2083460&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |


---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.