Reducing formation damage through two-stage polymer filtration
Conference
·
OSTI ID:6974011
Formation damage resulting from the use of unfiltered polymers during gravel pack completion operations has been addressed as it relates to HEC completion fluids. However, other filtered polymer systems exhibit properties which, in specific applications, may out perform HEC systems. Thus, the performance characteristics of six commonly used polymer systems, hydroxyethyl cellulose (HEC), clarified xanthan gum (XC), HEC/XC blends, crosslinked carboxymethyl hydroxyethyl cellulose (CMHEC), hydroxypropyl guar (HPG), and standard xanthan gum (XCD), required additional evaluation. Fluid modelling was employed using a new two-stage filtration process (gel filtration) in which the viscosified fluids were optimally sheared and fine-filtered to improve sand placement efficiency and reduce formation damage. The data obtained from this study establishes mixing and filtration design criteria for optimizing completion techniques such as gravel packing, sand washing, polymer diverting, and lost circulation control.
- Research Organization:
- BJ-Titan Services Co.
- OSTI ID:
- 6974011
- Report Number(s):
- CONF-861080-
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
ALKYL RADICALS
CARBOHYDRATES
CELLULOSE
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COLLOIDS
CROSS-LINKING
DISPERSIONS
EFFICIENCY
ETHYL RADICALS
FILTRATION
FLOW MODELS
FLUIDS
FORMATION DAMAGE
GELS
HYDRAULIC CONDUCTIVITY
HYDROXY COMPOUNDS
MATHEMATICAL MODELS
METHYL RADICALS
MIXTURES
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
PACKINGS
POLYMERIZATION
POLYMERS
POLYSACCHARIDES
RADICALS
SACCHARIDES
SAND CONSOLIDATION
SEPARATION PROCESSES
SHEAR
WELL COMPLETION
WELLS
WORKING FLUIDS
XANTHUM GUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
ALKYL RADICALS
CARBOHYDRATES
CELLULOSE
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COLLOIDS
CROSS-LINKING
DISPERSIONS
EFFICIENCY
ETHYL RADICALS
FILTRATION
FLOW MODELS
FLUIDS
FORMATION DAMAGE
GELS
HYDRAULIC CONDUCTIVITY
HYDROXY COMPOUNDS
MATHEMATICAL MODELS
METHYL RADICALS
MIXTURES
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
PACKINGS
POLYMERIZATION
POLYMERS
POLYSACCHARIDES
RADICALS
SACCHARIDES
SAND CONSOLIDATION
SEPARATION PROCESSES
SHEAR
WELL COMPLETION
WELLS
WORKING FLUIDS
XANTHUM GUM