H.W. Butler & Associates, Inc. is a professional firm offering comprehensive pipeline inspection and land services to the petrochemical, engineering and oil/gas industries.  We are located in Sour Lake, Texas, enabling us to easily serve the Southeast Texas region.

Established in 1996, our key personnel have over 50 years cumulative experience in the industry.  Our experienced staff is capable of handling our client’s unique demands and time constraints.  From short term assignments to long term turn key projects, we have the technical capabilities and the experience to customize our work to meet your project needs. 


Company Philosophy

At H.W. Butler & Associates, we believe that the survey is the foundation of every successful project.  From site selection and acquisition, to major design decisions, the data gathered during the survey is the basis for the most important and fundamental decisions throughout the life of a project.  Our policy is to fully understand our client’s requirements before we begin a job or project.  With our clients’ needs in the forefront of our efforts, we deliver precise, timely services in a manner exceeding our clients’ expectations.


Representative Projects

Liberty Gathering Systems - Felicia Gathering
Design of approximately 14 miles of 8” gas gathering system. Project included route selection, control and topographic surveying, right of way acquisitions, construction staking & permitting.

Chevron Pipe Line Company - Oneok/Targa Connection
Design of approximately 2000 feet of 8” pipe bundles within the Enterprise East Storage Facility and the Targa Facilities located in Mont Belvieu, Texas.  Project included route selection, control & topographic surveying, right of way acquisition, construction staking & permitting.

1592 Turnaround Project-Cedar Bayou Plant-Mt. Belvieu, Texas
Performed as built surveys and weld maps along with Inspection services for reconstruction of meter stations.

Mont Belvieu Pump Station
Provided preliminary design and as built for complete project. Inspection for the installation of project.

Synergy Project
Provided surveyor’s to complete as built and DOT documentation for 80 miles of ILI inspection as well as 6 sites restorations.

Liberty Gas Gathering Systems
Provided surveyors for complete as built of 12 miles of new lay in Liberty County.
Recorded all pipe data and specs as well as GPS positions at each joint throughout project.

8” PP-Mix Replacement
Provided support to Right –Of-Way acquisitions as well as the surveys and as built for the 18 miles of replacement.

De-Bottleneck Project
Provided all permit packages and drawings for 60 miles pipeline overhaul. All as built and DOT documentation.  Provided Inspection services and surveyors to assist entire project.

Centerpoint, Ozark, Arkansas
Provided as built’s on 17 miles of 16” new lay in Arkansas.  Provided Inspection services and surveyors to assist entire project.