Core Lab welcomes Guardian Global Technologies as part of the Core Lab Team!
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and their complementary next generation Production Enhancement technologies.
Water Analysis: It is critical for any field development to have a detailed composition
of the formation water to assess the potential for inorganic scale to be formed during
pressure depletion or water injection. Samples collected from exploration and appraisal
wells are analysed for API 12 ion composition, sulphate content and volatile organic acid
concentrations. The composition of produced water and residual scale inhibitor concentrations
also measured on a regular basis to monitor changes to the produced water composition.
Residual scale inhibitor concentrations are monitored to evaluate the effectiveness of
continual chemical injection or periodic squeeze treatments.
Crude Oil: The physical and chemical properties of stock tank crude/condensate must be
measured as the information is essential for crude valuation, fluid processing, refineries,
transportation and to assess flow assurance issues. A detailed crude oil assay is performed
to determine boiling range distribution and cut point yields of stock tank liquids up to 575°C.
Further chemical analysis is performed on the distillate fractions/residues and the results
used for crude oil trading and refining purposes.
Fluid Compatibility: Core Lab performs testing to investigate possible production problems
caused by mixing two or more produced fluids. A wide range of tests can be performed including
Emulsion studies (water / oil), Scaling studies (water / water), Fluid blending studies
(oil / oil) and Gas injection studies (gas / oil).
Chemical Evaluation: Deployment of oilfield chemicals can be a significant cost during field
development. Core Lab provides an Independent review of third party chemical products to
evaluate performance and efficiency for optimal application. Testing can be performed on
various products such as demulsifiers, wax inhibitors, asphaltene inhibitors and anti-foaming agents.
Mercury Analysis: Core Lab determines trace concentrations of mercury in hydrocarbon liquids,
produced waters and solids by ASTM D6722 test method. Samples must be collected in specialised
containers to provide accurate and reliable data
Accurate determination of naturally occurring mercury in reservoir fluids is required to
assist with facilities design which may require its removal. Mercury has a detrimental
impact on corrosion, the environment and the refinery process.
Deposits: A comprehensive analysis of a deposit sample can provide critical
information on the source and help our customers to decide on the most appropriate and
cost effective remedial action. Core Lab provides a range of services to determine fluid
nature, characteristics, composition, crystal structure using ICPAES, GC, SEM, EDX, XRD
and FTIR techniques Typical deposits include corrosion products, inorganic scales,
chemical residues, sand, mud solids etc.
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