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Isaac Griesbaum

Partner in Houston

Admissions

  • Texas

Education

Isaac Griesbaum represents clients in the upstream and midstream oil and gas, oilfield services, and produced water industries in connection with mergers and acquisitions, asset acquisitions and divestitures, joint ventures, corporate and partnership governance matters, and commercial matters. He also has substantial experience negotiating commercial agreements, including construction management agreements, operating and maintenance agreements, oil and gas purchase agreements, gathering and processing agreements, transportation and handling agreements, produced water gathering and disposal agreements, and other commercial and joint venture arrangements.

Experience

  • Represented Targa Resources Inc. in its acquisition of Southcross Energy Operating, LLC, a midstream company with gas gathering and processing asses in south Texas, for approximately $200 million.
  • Represented UK private equity group SunCap Limited on its acquisition of Adventure Forest, LLC, known as “Go-Ape” in the United States - an outdoor adventure course company, for approximately $38 million.
  • Represented PennEnergy Resources, LLC in its sale of Pine Run Midstream, LLC, a midstream company with gas gathering assets in western Pennsylvania, for approximately $205 million.
  • Represented Tall Oak Midstream, LLC in the acquisition of Tall Oak Midstream II, LLC and Tall Oak Midstream III, LLC by certain Tailwater Capital funds from certain EnCap Flatrock Midstream funds.
  • Represented NGL Energy Partners LP in its acquisition of the assets of Mesquite Disposals Unlimited, consisting of an interconnected produced water pipeline transportation and disposal system in the Texas-New Mexico border region with a total value of approximately $890 million.
  • Represented WaterBridge Holdings, LLC in the acquisition of produced water infrastructure from Primexx Energy Partners, Tall City Exploration III and Jetta Permian.
  • Represented NGL Energy Partners LP in the sale of its terminaling business (TransMontaigne Product Services) to a strategic buyer with substantial assets for approximately $300 million.
  • Represented Shinhan Investment Corp., Samtan Co., Ltd., EIP Investment Co., Ltd. and KDB KIAMCO, a South Korean-based consortium of infrastructure investors, in their acquisition of a 50% ownership interest in the Utopia Pipeline from investment funds affiliated with Riverstone.
  • Represented a private equity portfolio company in its acquisition of an interstate pipeline and a New Mexico crude oil gathering system and related assets from a major upstream oil and gas company.
  • Represented Osprey Energy Acquisition Corp. (now Falcon Minerals Corporation), an energy-focused special purpose acquisition entity, in its acquisition of Royal Resources with a total value of approximately $894 million.
  • Represented WaterBridge Resources, LLC in multiple acquisitions and commercial matters regarding gathering and disposal of produced water, including the acquisition of EnWater Solutions, LLC, a water sourcing and disposal company with operations in the Delaware Basin.
  • Represented Targa Resources, Inc. in the formation and subsequent restructuring of joint ventures with a subsidiary of a public upstream company and then with a public MLP to construct a natural gas processing plant and associated high pressure gathering pipelines with an estimated value of $350 million, as well as other material commercial matters.
  • Represented a UK based investment firm in a minority investment (through a BVI investment vehicle) in an oil field services company that owns and operates drilling rigs in the continental US.
  • Represented multiple exploration and production companies in Drillcos and similar arrangements with private equity funds under which the private equity funds provide development capital and the exploration and production companies develop and operate the oil and gas properties.
  • Represented a family limited partnership in a recapitalization of its minority equity investment in an oil and gas exploration and production company and associated acquisition of oil and gas properties in the Delaware Basin.
  • Represented Tall Oak Midstream III, LLC in securing a $200 million equity commitment from EnCap Flatrock Midstream.
  • Represented an upstream MLP in multiple dispositions of upstream assets, including a $105 million sale to a major upstream oil and gas company, during restructuring proceedings. Also represented the upstream MLP in multiple contract disputes, restructuring matters, litigation and settlements involving farmouts, royalties, net profits interests, joint interest billings, acreage disputes, and other matters.
  • Represented a very large investment fund in a non-operated upstream investment in the Marcellus and Utica Shales.
  • Represented a large independent midstream company in multiple gas gathering, processing and fractionation commercial agreements.
  • Represented a large institutional investor in its acquisition of salt water disposal and solid waste disposal assets in Texas and New Mexico for $187 million.
  • Represented a large independent upstream company in an acquisition of upstream assets in Northern Louisiana.
  • Represented a private equity portfolio company in securing a $300 million equity financing commitment from a large midstream private equity fund.
  • Represented a private equity portfolio company in the formation of a joint venture with an MLP for the construction of a crude oil pipeline to connect production from the Delaware Basin to Midland, Texas.
  • Represented a midstream MLP and its sponsor in the acquisition of another midstream MLP for a total transaction value of approximately $20 billion.
  • Represented a portfolio company of a large private equity fund in the sale of three power generation facilities to another private equity fund.
  • Represented an upstream MLP in the acquisition of oil rich assets in South Texas for $225 million.
  • Represented a large private refining company in the take-private acquisition of a public MLP for $2.1 billion.
  • Represented a midstream MLP in the sale of a 20 percent stake in a pipeline joint venture for $135 million.
  • Represented an aircraft manufacturer in the sale of its private jet service assets to a private equity group for $185 million.
  • Represented a middle market private equity fund in the acquisition of a provider of tubing and casing running services.
  • Represented a large pipeline company in the sale of a pipeline and terminal system to a large refiner for $355 million.
  • Represented a large mining and minerals company in the acquisition of an aluminum smelter.
  • Represented a large independent refiner in the acquisition of a refinery and associated pipelines and terminals.
  • Represented an upstream MLP in the acquisition of a privately held exploration and production company for $255 million.
  • Represented a midstream MLP in the acquisition of a private equity backed midstream gas company for $600 million.
  • Represented a private equity portfolio company in the sale of an oil terminal in the Bakken region for $425 million.
  • Represented an upstream MLP in the acquisition of upstream assets in the Barnett Shale.

Some of the experience represented here may have been handled at a previous firm.

Honors & Awards

  • The Legal 500 U.S., “Leading Lawyer” in Energy Transactions: Oil and Gas (2022)
  • The Best Lawyers in America, Ones to Watch, Mergers & Acquisitions Law (2021)
  • The Legal 500 U.S., “Key Lawyer” in Energy Transactions: Oil and Gas (2021)
  • Texas Lawyer, On the Rise (2020)
  • Super Lawyers, Rising Star in Energy & Natural Resources (2016-2022)

Activities

  • Member, Young Professionals in Energy

Credentials

Isaac received his B.B.A. from The University of Texas at Austin. He earned his J.D. from The University of Texas School of Law where he was a Chancellor.

Isaac Griesbaum

Partner in Houston

Isaac Griesbaum represents clients in the upstream and midstream oil and gas, oilfield services, and produced water industries in connection with mergers and acquisitions, asset acquisitions and divestitures, joint ventures, corporate and partnership governance matters, and commercial matters. He also has substantial experience negotiating commercial agreements, including construction management agreements, operating and maintenance agreements, oil and gas purchase agreements, gathering and processing agreements, transportation and handling agreements, produced water gathering and disposal agreements, and other commercial and joint venture arrangements.

Honors and Awards

Ones to
Watch
Best Lawyers
Professional
Excellence
On the Rise
Texas Lawyer
Legal
500
The Legal 500 United States
Listed
Texas
Rising Star
Super Lawyers
  • The Legal 500 U.S., “Leading Lawyer” in Energy Transactions: Oil and Gas (2022)
  • The Best Lawyers in America, Ones to Watch, Mergers & Acquisitions Law (2021)
  • The Legal 500 U.S., “Key Lawyer” in Energy Transactions: Oil and Gas (2021)
  • Texas Lawyer, On the Rise (2020)
  • Super Lawyers, Rising Star in Energy & Natural Resources (2016-2022)

Activities

  • Member, Young Professionals in Energy

Isaac received his B.B.A. from The University of Texas at Austin. He earned his J.D. from The University of Texas School of Law where he was a Chancellor.

Education

University of Texas
JD, 2011
University of Texas
BBA, 2005

Admissions

TX
Texas

Some of the experience represented below may have been handled at a previous firm.

  • Represented Targa Resources Inc. in its acquisition of Southcross Energy Operating, LLC, a midstream company with gas gathering and processing asses in south Texas, for approximately $200 million.
  • Represented UK private equity group SunCap Limited on its acquisition of Adventure Forest, LLC, known as “Go-Ape” in the United States - an outdoor adventure course company, for approximately $38 million.
  • Represented PennEnergy Resources, LLC in its sale of Pine Run Midstream, LLC, a midstream company with gas gathering assets in western Pennsylvania, for approximately $205 million.
  • Represented Tall Oak Midstream, LLC in the acquisition of Tall Oak Midstream II, LLC and Tall Oak Midstream III, LLC by certain Tailwater Capital funds from certain EnCap Flatrock Midstream funds.
  • Represented NGL Energy Partners LP in its acquisition of the assets of Mesquite Disposals Unlimited, consisting of an interconnected produced water pipeline transportation and disposal system in the Texas-New Mexico border region with a total value of approximately $890 million.
  • Represented WaterBridge Holdings, LLC in the acquisition of produced water infrastructure from Primexx Energy Partners, Tall City Exploration III and Jetta Permian.
  • Represented NGL Energy Partners LP in the sale of its terminaling business (TransMontaigne Product Services) to a strategic buyer with substantial assets for approximately $300 million.
  • Represented Shinhan Investment Corp., Samtan Co., Ltd., EIP Investment Co., Ltd. and KDB KIAMCO, a South Korean-based consortium of infrastructure investors, in their acquisition of a 50% ownership interest in the Utopia Pipeline from investment funds affiliated with Riverstone.
  • Represented a private equity portfolio company in its acquisition of an interstate pipeline and a New Mexico crude oil gathering system and related assets from a major upstream oil and gas company.
  • Represented Osprey Energy Acquisition Corp. (now Falcon Minerals Corporation), an energy-focused special purpose acquisition entity, in its acquisition of Royal Resources with a total value of approximately $894 million.
  • Represented WaterBridge Resources, LLC in multiple acquisitions and commercial matters regarding gathering and disposal of produced water, including the acquisition of EnWater Solutions, LLC, a water sourcing and disposal company with operations in the Delaware Basin.
  • Represented Targa Resources, Inc. in the formation and subsequent restructuring of joint ventures with a subsidiary of a public upstream company and then with a public MLP to construct a natural gas processing plant and associated high pressure gathering pipelines with an estimated value of $350 million, as well as other material commercial matters.
  • Represented a UK based investment firm in a minority investment (through a BVI investment vehicle) in an oil field services company that owns and operates drilling rigs in the continental US.
  • Represented multiple exploration and production companies in Drillcos and similar arrangements with private equity funds under which the private equity funds provide development capital and the exploration and production companies develop and operate the oil and gas properties.
  • Represented a family limited partnership in a recapitalization of its minority equity investment in an oil and gas exploration and production company and associated acquisition of oil and gas properties in the Delaware Basin.
  • Represented Tall Oak Midstream III, LLC in securing a $200 million equity commitment from EnCap Flatrock Midstream.
  • Represented an upstream MLP in multiple dispositions of upstream assets, including a $105 million sale to a major upstream oil and gas company, during restructuring proceedings. Also represented the upstream MLP in multiple contract disputes, restructuring matters, litigation and settlements involving farmouts, royalties, net profits interests, joint interest billings, acreage disputes, and other matters.
  • Represented a very large investment fund in a non-operated upstream investment in the Marcellus and Utica Shales.
  • Represented a large independent midstream company in multiple gas gathering, processing and fractionation commercial agreements.
  • Represented a large institutional investor in its acquisition of salt water disposal and solid waste disposal assets in Texas and New Mexico for $187 million.
  • Represented a large independent upstream company in an acquisition of upstream assets in Northern Louisiana.
  • Represented a private equity portfolio company in securing a $300 million equity financing commitment from a large midstream private equity fund.
  • Represented a private equity portfolio company in the formation of a joint venture with an MLP for the construction of a crude oil pipeline to connect production from the Delaware Basin to Midland, Texas.
  • Represented a midstream MLP and its sponsor in the acquisition of another midstream MLP for a total transaction value of approximately $20 billion.
  • Represented a portfolio company of a large private equity fund in the sale of three power generation facilities to another private equity fund.
  • Represented an upstream MLP in the acquisition of oil rich assets in South Texas for $225 million.
  • Represented a large private refining company in the take-private acquisition of a public MLP for $2.1 billion.
  • Represented a midstream MLP in the sale of a 20 percent stake in a pipeline joint venture for $135 million.
  • Represented an aircraft manufacturer in the sale of its private jet service assets to a private equity group for $185 million.
  • Represented a middle market private equity fund in the acquisition of a provider of tubing and casing running services.
  • Represented a large pipeline company in the sale of a pipeline and terminal system to a large refiner for $355 million.
  • Represented a large mining and minerals company in the acquisition of an aluminum smelter.
  • Represented a large independent refiner in the acquisition of a refinery and associated pipelines and terminals.
  • Represented an upstream MLP in the acquisition of a privately held exploration and production company for $255 million.
  • Represented a midstream MLP in the acquisition of a private equity backed midstream gas company for $600 million.
  • Represented a private equity portfolio company in the sale of an oil terminal in the Bakken region for $425 million.
  • Represented an upstream MLP in the acquisition of upstream assets in the Barnett Shale.