Fracturing technique stimulates massive, fractured limestones

The Kiel dendritic fracture process was developed as a method for stimulating a hydrocarbon-bearing carbonate zone and increasing the zone's production rates and recoverable reserves. The technique implemented several shut-down and flow-back phases in addition to pumping large volumes of water...

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Bibliographic Details
Published in:The Oil & gas journal 1991-12, Vol.89 (48), p.58-61
Main Authors: WILKE, J, HARRIS, J, GRAHAM, S, WARD, J
Format: Magazinearticle
Language:English
Subjects:
02 PETROLEUM
03 NATURAL GAS
030300 > Natural Gas-- Drilling, Production, & Processing
ACIDIZATION
Applied sciences
CARBONATE ROCKS
Crude oil, natural gas and petroleum products
Crude oil, natural gas, oil shales producing equipements and methods
DEVELOPED COUNTRIES
DRILLING
Energy
Enhanced oil recovery methods
ENHANCED RECOVERY
Exact sciences and technology
FEDERAL REGION VI
FLUIDS
FRACTURING FLUIDS
Fuels
GEOLOGIC FRACTURES
GEOLOGIC STRUCTURES
Injection
Innovations
LIMESTONE
NATURAL GAS WELLS
NORTH AMERICA
OIL WELLS
OKLAHOMA
OPTIMIZATION
Petroleum industry
Production increases
Prospecting and production of crude oil, natural gas, oil shales and tar sands
RECOVERY
RESERVOIR ROCK
ROCKS
SEDIMENTARY ROCKS
Statistical data
STIMULATION
Techniques
USA
WELL DRILLING
WELL STIMULATION
WELLS 020300 > Petroleum-- Drilling & Production
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Summary:The Kiel dendritic fracture process was developed as a method for stimulating a hydrocarbon-bearing carbonate zone and increasing the zone's production rates and recoverable reserves. The technique implemented several shut-down and flow-back phases in addition to pumping large volumes of water with minimal quantities of sand. It has been rediscovered as an effective alternative to pad-acid treatments in the Viola limestone formation of central Oklahoma County, Oklahoma. The Viola formation Kiel frac treatments have been designed based on several adaptations of the Kiel design theory. The injection rates have ranged from 40 to 60 bbl/min. Treatment conductor size more often than the actual zone size has determined the rate. The fluid volumes, ranging from 75 to 100 bbl/ft of zone, have been based on the size of the zone. Most of the Viola formation pad-acid fracture treatments have been designed with injection rates ranging from 30 to 35 bbl/min.
ISSN:0030-1388
1944-9151