What About?
Total Organic Carbon
LECO TOC and Headspace Gas Results in conjunction with paleo processing can be available within the same time frames!
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Geochemical analysis provides valuable information for the
understanding and evaluation of hydrocarbon systems and gives key
insights necessary for implementing successful exploration programs
and well-designed operations that maximize production. From its inception, Ellington & Associates has provided the oil
and gas industry with high quality and timely geochemical services.
We have an extensive range of geochemical analytical tools and an
experienced team of professionals and technicians to assist you in obtaining
the data you need for your evaluations.
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LECO Total Organic Carbon and LECO Total Carbon
We have been leaders in oil and gas industry Total Organic Carbon
(TOC) analysis since 1988, and we currently use the latest,
state-of-the-art LECO C-230 system for carbon analysis.
The
LECO system can be utilized with or without Residue After Leaching (RAL).
We can provide rapid sample turnaround, and we can provide the
resulting data in a variety of formats to suit your needs.
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LECO Total Sulfur
Our LECO Sulfur instrument can accurately
measure the sulfur content in a wide variety of organic materials,
including coals, coke, and oil, and also in many inorganic
materials, including soil, cement, and limestone.
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Headspace (Geochem Cans) Gas Analysis (C1-C6+)
Utilizing the process of gas desorption from drilled cuttings or cores, the analysis of headspace gases from canned cuttings or sidewall cores provides another tool for the evaluation of reservoir fluid and gas composition.
 Hydrocarbon Show Indicator
Carbon Ratios and Fluid Phases
Gas, Oil, Condensate and Water Contacts
Geochemistry Kits and Cans Provided
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Petrography, Fluid Inclusion Analysis, and Microthermometry
Fluid inclusions are tiny quantities of liquid, gas, or mixtures of
the two, trapped as impurities within minerals. They provide the
best source of information concerning the occurrence of fluids in
natural samples. Petrographic examination of these fluid inclusions
is an important step in the reconstruction of the PVTX
(Pressure-Volume-Temperature-Composition) evolution in order to
distinguish the various compositional types and generations of fluid
inclusions in the sample of interest and to identify their
mechanisms of formation and ages (primary, secondary or
pseudo-secondary) relative to each other and to the surrounding
minerals.
Microthermometry is the measurement of temperatures at which
phase-transitions occur in fluid inclusions as they are cooled or
heated on a special microscope stage. It provides quantitative data
regarding the minimum temperature of mineral precipitation and the
salinity of the precipitating pore-fluid. Microthermometry also
provides information to determine the temperature at which a
diagenetic mineral formed, the thermal history of the rock, and the
composition of the fluids that flowed through a rock during its
history. In conjunction with the burial history of a given sample,
the fluid inclusion data indicate the timing of different diagenetic
events such as the precipitation or dissolution of different cement
phases.
The results of fluid inclusion analyses when combined with the
composition of recovered oil, gas, and water provide more accurate
and efficient models of the degasification processes taking place
during oil production, better estimation of the effects on
reservoirs due to mineral and bitumen precipitation, and, therefore,
better predictions of present and future oil production.
Analysis
 Examination
of thin sections in both UV and visible light
Minerology
and host-sedimentary rocks
Quartz
overgrowths
Calcite
and dolomite cements
Relationship
of enclosing mineral to inclusions (primary, secondary,
pseudo-secondary)
Composition
of fluids – UV fluorescence
Hydrocarbon
inclusions – liquids versus gas
Aqueous
inclusions
Microthermometry
Bulk
composition, density, and bubble points of the inclusions
Temperature
and pressure of entrapment
Applications
Basin
modeling
Detection
of migration pathways
Measurement
of hydrocarbon generation and maturity
Assessment
of type of migrated hydrocarbons
Determination
of reservoir filling history
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