GeoMark is a full service geochemical laboratory offering a complete range of analytical capabilities available through either our Exploration Services Division or Production Services Division.


:: Oil Analyses
GeoMark offers a full array of physical property and molecular analyses designed to completely evaluate the origin and history of a liquid hydrocarbon sample. All analyses are performed at GeoMark insuring analytical quality and compatibility.

:: Gas Analyses
GeoMark's gas laboratory offers compositional and isotopic analyses designed to a) identify the diverse gas sources, b) evaluate thermal maturity differences in commonly sourced gases, c) ascertain the magnitude of gas mixing, and d) evaluate and map gas quality. These analyses are effective in evaluating both conventional and unconventional (shale gas, coal bed gas, and tight gas including basin centered gas) accumulations.

:: Source Rock Analyses
GeoMark offers complete source rock analyses at it's lab in Humble, Texas. Services include TOC, Rock-Eval Pyrolysis and Thermal Maturity measurements. GeoMark is the only laboratory offering a complete range of source rock, oil, and gas analyses.

:: Seep Analyses
GeoMark gives special attention to hydrocarbon seep analysis. For both the liquid and gas samples GeoMark utilizes analytical programs similar to production samples, thus guaranteeing compatibility of results.


:: MGIA
MGIA (Mud Gas Isotope Analyses) analyses are used to evaluate reservoir continuity in addition to geochemical typing. Rapid delivery allows engineers to update and modify formation tester sampling programs.

:: Routine PVT
Full PVT studies, oil-based mud evaluations and flow assurance screening are offered with rapid turn-around. High resolution compositional analysis can be combined with isotopic measurements and pressure gradients in detailed communication studies.

:: Smart PVT
The smart PVT program produces the data required for Equation of State tuning at a reduced cost and turn-around. The service is ideal for development wells.

:: PVTMod
PVTMod is a system for predicting petroleum fluid properties from wireline formation tests. The service provides a real-time simulated PVT analysis for reservoir units that have been pressure tested.
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