Evaluation of acid fluid loss additives, retarded acids, and acidized fracture conductivity

Conference · Mon Jan 01 04:00:00 EST 1973 · Prepr. Annu. SPE of AIME Fall Meeting; (United States)

OSTI ID:6812403

Nierode, D E; Kruk, K F

An evaluation of acid additives and retarded acid systems indicates that the stimulation resulting from acid fracturing can be increased when effective fluid loss additives are used in HCl, or when the acid viscosity is increased significantly. Acid emulsions were found to have a low fluid loss rate and to be retarded; whereas, oil wetting surfactants gave no retardation at typical field injection rates. Conductivity studies show that, in general, the fracture flow capacity resulting from acid reaction is very high, except when rock embedment strength and/or rock solubility is low, or the closure stress is high. (11 refs.)

• Research Organization: Esso Production Res. Co.
• OSTI ID: 6812403
• Report Number(s): CONF-7309153-
• Conference Information: Journal Name: Prepr. Annu. SPE of AIME Fall Meeting; (United States) Journal Volume: SPE-4549
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ACIDIZATION
ADDITIVES
COLLOIDS
DISPERSIONS
EMULSIONS
ENHANCED RECOVERY
FLUID FLOW
FLUIDS
FRACTURE PROPERTIES
FRACTURED RESERVOIRS
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
INORGANIC ACIDS
LOSSES
MECHANICAL PROPERTIES
OIL WELLS
RECOVERY
RESERVOIR ROCK
SOLUBILITY
STIMULATION
STRESSES
SURFACTANTS
VISCOSITY
WELL STIMULATION
WELLS