Terra Dynamics Incorporated (TDI) is a privately owned, environmental consulting firm with headquarters in Austin, Texas. TDI was founded in 1992 and is a Certified Small Business. TDI is a multi-disciplinary engineering, geology and consulting company specializing in injection well services for municipal, industrial and refinery applications.

We provide integrated project management, engineering, field operations supervision, geological evaluation, reservoir studies, no-migration petitions (USEPA), and permitting services (State Level) in support of injection well facilities throughout the United States and international locations.

About Us

Terra Dynamics Incorporated (TDI) is an employee-owned environmental consulting company located in Austin, Texas. TDI was founded in 1992 based on the simple business philosophy of making our customer’s jobs easier. We do this by providing high quality service, on a personalized basis, at a competitive price.

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Oil & Gas Consulting Services

TDI staff also possess a broad range of experience in oil and gas consulting. This experience includes drill rig / completion rig supervision, regulatory support, oil and gas property audits for environmental compliance and permit application preparation, Class II well design, Class II well evaluations for property transfer. TDI is experienced in regulatory affairs pertaining to Class II injection wells with extensive knowledge of state and federal regulations. State Permit Applications are prepared by TDI’s geologists and engineers, incorporating all requirements necessary under the Class II UIC regulations.

Following is a representative list of the oil and gas consulting services we provide:

  • Feasibility Studies and Well Siting Evaluations
  • Permit Application Support
  • Well Design and AFE Preparation
  • Drilling and Completion Plans
  • Forensic Remediation Investigations
  • Remediation Workover Plan and AFE Support
  • Producing Property Audits
  • Class II Injection Well Site Audit and Testing
  • Class II Injection Well Evaluation for Property Transfer


Our staff licensed professional geoscientists, certified petroleum geologists, licensed professional engineers and business professionals collectively possesses well over 200 years of experience in providing a wide variety of services that include:

  • Feasibility Studies and Well Siting Evaluations
  • Permit preparation and regulatory hearing support
  • Litigation
  • Preparation of No-Migration Petition demonstrations for land-banned wastes
  • Well installation and completion
  • Well troubleshooting and evaluation
  • Well repair and workover operations
  • Well cleanout and reservoir stimulation
  • Well failure analysis
  • Well mechanical integrity testing (MIT)
  • Inspection contracting
  • Materials of construction/waste compatibility studies
  • Reservoir/waste reactivity studies
  • Reservoir testing (RT) and modeling
  • Operations and regulatory reporting requirements
  • Plugging and Abandonment

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