AccessFrac® Stimulation Service

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As a general rule, fracture-network volume correlates to production volume. However, the variables that contribute to production volume also include the number of stages, the length of isolated stages and the number of perforation clusters per stage.

Efficiency can be defined two ways in fracture-stimulated wells:

  • Cluster completion efficiency: the percentage of clusters that receive effective stimulation for a given interval. The formation is stressed by the dilation of the fractures and this stress loading can impede the ability of the fracture to accept proppant, which then impedes production volume.
  • Cluster production efficiency: a high percentage of stimulated clusters contributing to production (i.e. 60% of the clusters contributing to 95% of the production). 

For initial completions or in re-frac situations, AccessFrac® stimulation service is Halliburton's process for gaining both cluster completion efficiency and cluster production efficiency. It helps to optimize proppant distribution for improved long-term production performance. AccessFrac service combines diverting technology and conductivity enhancement material to maximize reservoir contact area and reduce the time cost of multi-zone fracturing.

The advantages of AccessFrac service include:

  • The maximization of reservoir contact area for improved long-term production potential.
  • The enablement of optimum multi-zone limited-entry fracturing treatments such as plug-and-perforate and sliding-sleeve techniques.
  • The placement of highly conductive proppant packs in complex fracture networks.
  • Enhanced proppant distribution, which can result in using less proppant per stage for the same impact.
  • A self-degrading and environmentally benign diverter material that shows real indication of diversion.

AccessFrac® Stimulation Service

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  TitleНазвание  DateДата
Summary Summary AccessFrac® Stimulation Service Improves Production
AccessFrac stimulation service helps improve well productivity in Permian Basin
Summary Summary The American Oil & Gas Reporter - Refracturing Extends Lives of Unconventional Reservoirs
The ability to refracture source rock reservoirs has the potential to extend the life of the “shale revolution” beyond the normal 20-30 year productive life of a reservoir. It is considered the best option for combatting the more rapid decline rates of unconventional reservoirs.
Summary Summary AccessFracSM Stimulation Service
Enhanced Proppant Distribution Provides Improved Access to Complex Fracture Networks in Shale Formations
Summary Summary New Interventionless Fracturing Technique Rescues Stranded Assets
Diversion technology helps increase lengths of lateral and number of clusters effectively fracture-stimulated
Summary Summary Carrizo Oil and Gas Improve Well Performance in Multi-Well AccessFrac® Service Field Study
Carrizo Oil and Gas used AccessFrac® stimulation service on a large-scale field trial in the Eagle Ford shale play in an effort to increase the number of effectively stimulated perforation clusters and to improve well performance. Results have shown the wells utilizing the AccessFrac service maintain higher flowing pressures indicating an increase in stimulated reservoir volume.
Summary Summary AccessFrac Service Used to Restimulate Well with Casing Integirty
AccessFrac service helps restimulate a well with collapsed casing in the Barnett Shale.
Summary Summary AccessFrac® Stimulation Service Improves Cluster Efficiency Without Quantifying Stresses
The limited availability of diagnostic data for multiple wells in Oklahoma hindered the operators’ ability to effectively design a limited-entry perforating scheme, along with stimulation treatments. AccessFrac® stimulation service was deployed in an attempt to improve cluster efficiency and ultimate recovery from the wells. Wells utilizing AccessFrac service showed initial production rates 2.7 to 3.2 times higher than comparable offsets.
Summary Summary AccessFrac Service Used to Restimulate Well
Successful Restimulation of Barnett Shale Well Using Biodegradable AccessFrac service in Barnett Shale.
Summary Summary AccessFrac PD Case History
AccessFrac PD service helps avert loss of well and cuts completion time by over 50%.
Summary Summary AccessFrac Service Used to Overcome Casing Integrity
AccessFrac service helps overcome casing integrity issues for a successful stimulation in the Barnett Shale.
Summary Summary Proprietary diversion technique succeeds in difficult non-cemented lateral
Halliburton’s AccessFrac® Service overcomes non-cemented lateral environment to accomplish diversion, provide stimulation, and deliver superior production.
Summary Summary AccessFrac Stimulation in Northeast
AccessFrac Stimulation service allows recovery of stranded reserves
Summary Summary Halliburton Introduces AccessFracSM Service
HOUSTON – Oct. 31, 2011 – Halliburton (NYSE: HAL) is combining unique diversion technologies and pumping capabilities to create a process that helps enable operators achieve better long-term production from shale formations, thereby maximizing asset development.
Summary Summary DCA™ -21004 Frac Diverter Agent - Far Field Fracture Network
DCA&#153-21004 agent helps improve fluid and proppant placement by enabling redirection of treatment placement within the fracture network by sealing on proppant or fracture throats to help redistribute fluid and proppant flow within the fracture network.
Summary Summary DCA™ -21003 Frac Diverter Agent - Near Wellbore
DCA™ -21003 agent is a disclosable fracturing diverter agent for use in AccessFrac service applications where disclosure of fluid component material composition is required. DCA-21003 agent helps improve fluid and proppant placement across a treatment interval with multiple perforation clusters.
Summary Summary Unconventional Completion Solutions
Unconventional Completions Brochure
Summary Summary RapidStage® 50+ system with AccessFrac® service shines in the Bakken
Dozens of applications using AccessFrac service have been successfully performed throughout the Rockies. In the Williston Basin, over 20 jobs performed with RapidStage 50+ sleeves and AccessFrac stimulation services in the past six months have resulted in a minimum of 30% sustained production improvement.
Summary Summary AccessFrac® Stimulation Service
AccessFrac stimulation service is Halliburton’s process to optimize proppant distribution for improved long-term production performance.
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