CARBO Ceramics Resources
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How to Use and Misuse Proppant Crush Tests - Exposing the Top 10 Myths (SPE 119242)
When the American Petroleum Institute established standardized crush testing procedures in 1983 (API RP-56), the committee indicated that the test results should “provide indications of the stress level where proppant crushing is excessive and the maximum stress to which the proppant material should be subjected.” Read the complete resource
Category: StrataGen Sub Category:
Simultaneous Propagation of Multiple Hydraulic Fractures - Evidence, Impact and Modeling Implications (SPE 64772)
Multiple hydraulic fractures have been observed in numerous field settings1-9. Read the complete resource
Category: FracproPT Sub Category: Historical Background
Hydraulic Fracture Feasibility, Design, On-Site Supervision and Post Job Evaluation in Southeast Pakistan Gas Fields (SPE 113932)
This paper presents the results of a fracture feasibility and design study, treatment execution and post treatment evaluation for a hydraulic fracture campaign in the Sawan and Miano Gas fields, located in the Sindh Province, Pakistan. Read the complete resource
Category: FracproPT Sub Category: Application Examples
Revitalization Of The Pembina (JCPT 92-09-08)
"Occidental performed 83 fracture treatments in the mature Pembina field. Over time, frac size has increased from 25 tons in gelled crude to 50-70 tonnes of 20/40 sand in polyemulsion fluids. Read the complete resource
Category: CARBO Benefits Improved Frac Conductivity,Oil Wells Sub Category: 6,000 - 10,000 ft depth
Innovative Re-fracturing Program Produces Economic And Technical Success In Foothills Cardium Formation (CIM 95-44)
Amerada study in Western Foothills documents evolution of fracture designs. In 1960’s – 20 tonnes and concentrations up to 600 kg/m3. In 1990 – acidizing (marginal results + scaling). Read the complete resource
Category: CARBO Benefits Improved Frac Conductivity,Gas Wells Sub Category: Less than 6000 ft depth
Using Fracturing as a Technique for Controlling Formation Failure (SPE 27899)
Fletcher et al. described the theory and case studies for preventing formation failure without screens or gravel packs. Referred to as “fracturing for sand control” the method optimizes fracture dimensions to decrease near-wellbore drawdown and prevent formation failure. Read the complete resource
Category: CARBO Benefits Improved Frac Conductivity,Oil Wells Sub Category: Less than 6000 ft depth
Ultra-High Sand Concentration in Hydraulic Fracturing-A Case History (SPE 11578)
In a California formation (8300 ft, 1.0 md), two wells producing a total of 10 bopd were increased to 190 bopd after high conductivity fracturing.Read the complete resource
Category: CARBO Benefits Improved Frac Conductivity,Oil Wells Sub Category: 6,000 - 10,000 ft depth
Ultra-High Sand Concentration in Hydraulic Fracturing-A Case History (SPE 11578)
Documented the results from two fields showing tremendous benefit when achieved sand concentrations were increased from 0.7 to 3.4 lb/ft2. After conventional fracturing, ten shallow oil wells in Oklahoma averaged less than 2 bopd production, which was increased over 9-fold with high conductivity fractures. Read the complete resource
Category: CARBO Benefits Improved Frac Conductivity,Oil Wells Sub Category: Less than 6000 ft depth
Mini Massive Frac - A Stimulation Technique for Low Porosity, Low Permeability Zones (SPE 6627)
In the Geneva formation gas storage area, a well was treated with up to 8 ppg 20/40 and 10/20 sand, providing 7 times the productivity of offset wells.
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Category: CARBO Benefits Improved Frac Conductivity,Gas Wells Sub Category: Less than 6000 ft depth
Mini Massive Frac - A Stimulation Technique for Low Porosity, Low Permeability Zones (SPE 6627)
In the Salem Formation, many different treatments were attempted with acid, water, oil, and viscous gel fracturing. The best well was selected for restimulation with high sand concentrations up to 8 ppg, reducing payout time from 10 years to 35 days.
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Category: CARBO Benefits Improved Frac Conductivity,Oil Wells Sub Category: Less than 6000 ft depth