Halliburton has developed four complementary fracture stimulation technologies to help reduce operators' production cost per barrel of oil equivalent (BOE) and to reduce the use of fresh water in oil field operations. These innovations are OmegaFracTM fluid, MonoPropTM proppant, the ADPTM (advanced dry polymer) blender and the MimicTM fluid measuring device.
"With these technologies, Halliburton offers the industry greatly improved production recoveries compared to those achieved with conventional fracturing techniques," said David King, president, Halliburton's Completion and Production Division. "While developing these solutions, we challenged our scientists to minimize demands on the world's finite fresh water resources, supporting our efforts in environmental sustainability."
OmegaFrac fluid is based on a proprietary biopolymer that provides easy clean-up to maximize retained conductivity. It is the first fracturing fluid to practically and economically blend with field-produced brine water and effectively suspend and deliver proppant into the fracture. Virtually all fluids used in fracturing treatments today are blended from fresh water and natural polymers to produce the complex fluid required to deliver the proppant; however, OmegaFrac fluid eliminates the need to use potable water without compromising the necessary fluid qualities.
Halliburton's new fracturing solution represents a breakthrough by consistently achieving a partial monolayer, or the expansive distribution of propping particulates throughout the fracture.
Halliburton's MonoProp proppant, carried optimally with OmegaFrac fluid, offers an improvement over existing proppants by achieving a partial monolayer of deformable polymer alloy particles to maintain adequate fracture width without creating flow impediments. This allows unrestricted fluid flow of hydrocarbon from the formation through the fracture to the wellbore.
Two more innovations enable Halliburton to vary fluid characteristics according to the fracturing plan or in response to changing treatment conditions. On the environmental front, the ADP blender mixes Halliburton fracturing fluids from a dry-polymer base rather than a hydrocarbon-based concentrate. The other innovation, the Mimic proppant transport measuring device, directly measures the ability of the fracturing fluid to transport the propping agent under specific downhole conditions. Until now, this measurement could only be inferred from the viscosity of the fluid.
"A partial monolayer fracture treatment was formerly only a theoretical achievement," said Ron Hyden, Stimulation group manager, Halliburton. "When we apply these technologies in tight gas reservoirs, we are generally seeing cumulative production that is 25 percent better than conventionally fractured wells. And, operators tell us that reducing the environmental impact -- especially eliminating the need for relying on fresh water for fracturing treatments -- is as attractive to them as the decreased production costs."
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