Darrell W. Taylor

Senior Counsel




Practice Areas


Accomplished and creative transactional attorney, adviser and leader with an extensive history of supervising and documenting merger, acquisition, divestiture and investment transactions and debt and equity financing matters for both public and private companies. Areas of expertise:

  • Mergers, acquisitions, divestitures, investments
  • Debt and equity financings
  • Contract and commercial matters
  • Corporate governance and Board of Directors matters

Recognitions & Distinctions

  • Darrell was included on the 2018 Texas Rising Star List. Each year, no more than 2.5 percent of lawyers in the state are selected to receive this honor.

Major Accomplishments

Halliburton:  Acted as lead securities and financing lawyer for a series of related transactions for Halliburton, including debt and equity financings of over $3 billion to fund asbestos trusts for subsidiaries in Chapter 11 proceedings; followed by separation of KBR engineering, procurement and construction business and related subsidiaries; and KBR’s subsequent $2.4 billion initial public offering and tax-free split-off to shareholders.

Pennzoil:  Supervised the legal representation of Pennzoil Company in reinvestment of $3 billion litigation settlement, including $215 million acquisition of Co-Enerco, $440 million investment in Burlington Resources, and $2.1 billion investment in Chevron; followed by

  • $1.5 billion acquisition of oil and gas properties from Chevron
  • separation of Pennzoil upstream oil and gas business into PennzEnergy and subsequent $4.7 billion merger with Devon
  • going public transaction and $1.6 billion combination of Quaker State and Pennzoil downstream business to form Pennzoil-Quaker State and subsequent $1.8 billion divestiture to Shell Oil


  • Attorney-at-Law, April 2016 — Present
  • Weatherford International, Senior Corporate Counsel, April 2019 – February 2020
  • Rockcliff Energy, Principal Counsel, January 2018 – May 2018
  • Jackson Walker L.L.P., Partner, August 2014 – April 2016
  • Jones Day, Partner, October 2011 – August 2014
  • Baker Botts, L.L.P., Partner, January 1994 – October 2011

Representative Experience

  • Lyondell Chemical in its $13 billion acquisition by Access Industries
  • Halliburton in its $2.4 billion IPO and split-off to its stockholders of its KBR subsidiary
  • Pennzoil Products in its $1.6 billion combination with Quaker State
  • PennzEnergy in its $4.7 billion merger with Devon
  • Pennzoil-Quaker State in its $1.8 billion acquisition by Shell Oil
  • BP in its sale of Altura oil and gas properties and assets to Occidental Petroleum for $1.8 billion
  • Pennzoil in its $2.1 billion investment in Chevron
  • Pennzoil in its $1.5 billion acquisition of oil and gas properties from Chevron
  • Pennzoil in its $440 million investment in Burlington Resources
  • Pennzoil in its $250 million acquisition of Facet Enterprises
  • Purolator Products in its $250 million acquisition by Mark IV Industries

Served as supervising debt and equity financing counsel for:

  • Halliburton – equity and debt issuances and debt exchanges in multiple offerings of over $4 billion
  • Pennzoil – equity and debt issuances and debt exchanges in multiple offerings of over $4 billion
  • Pennzoil-Quaker State – debt issuances in multiple offerings of over $1 billion
  • Equistar Chemical – debt issuances in multiple offerings of over $2 billion
  • Lyondell Chemical – debt issuances in multiple offerings of over $3 billion
  • LyondellBasell Industries – debt issuance of $2.7 billion
  • Millennium Chemical – debt exchanges of over $500 million

Served as a supervising compliance and SEC counsel for:

  • KBR
  • Halliburton
  • Hydril
  • Pennzoil
  • Pennzoil-Quaker State
  • PennzEnergy
  • Purolator Products
  • Lyondell Chemical
  • LyondellBasell Industries
  • Group 1 Automotive

Served as supervising counsel on IPOs and going public transactions for:

  • LyondellBasell Industries N.V.
  • KBR
  • Lehman Brothers as lead underwriter – W&T Offshore, Inc.
  • Lehman Brothers as lead underwriter – ATP Oil & Gas Corporation
  • Merrill Lynch as lead underwriter – Energy Partners, Ltd.
  • Hydril Company
  • Equistar Chemical
  • Pennzoil-Quaker State
  • Cornell Companies
  • Purolator Products


  • University of Texas School of Law, Austin, Texas, Juris Doctor, with honors
  • University of Texas, Austin, Texas, BBA in Finance, with honors