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Matrix Acidizing

Acid fracturing is a process in which acid is injected at a high enough rate and pressure to fracture the formation which is performed above the fracture pressure of the formation. A viscous pad (a fracturing fluid that does not contain proppant) is pumped into the formation at pressures above the fracture-initiation pressure, which fractures the rock.Then an acid stage is pumped to etch the fracture surfaces. The acid also creates conductive wormholes at or near the fracture surfaces. After stimulation, the fracture closes, but the increased conductivity between the formation and the well remains because of the etching and the creation of wormholes.

Acid Fracturing

Acid fracturing is a process in which acid is injected at a high enough rate and pressure to fracture the formation which is performed above the fracture pressure of the formation. A viscous pad (a fracturing fluid that does not contain proppant) is pumped into the formation at pressures above the fracture-initiation pressure, which fractures the rock.Then an acid stage is pumped to etch the fracture surfaces. The acid also creates conductive wormholes at or near the fracture surfaces. After stimulation, the fracture closes, but the increased conductivity between the formation and the well remains because of the etching and the creation of wormholes.

Hydraulic Fracture

In hydraulic proppant fracturing of formation, in contrast of acid fracturing, uses a proppant to hold the fracture open and create a high permeability low path along which fluids flow into the well. In a hydraulic fracturing treatment, a high-viscosity fluid is injected into the well at treating pressures that are higher than the so-called formation breakdown pressure.Fluid injection continues for some time beyond this initial propagation, and when the created fracture is wide enough to accept them, solid particles (sand or some other type of proppant material) are injected simultaneously with the carrying fluid.

Fast Drill Plug

The Fast Drill bridge plug is used similarly to a conventional drillable bridge plug and is available in a variety of models that are categorized by temperature ratings. The following series of tools are available: • 250 Series • 300 Series • 350 Series • 400 Series Setting equipment and operation are similar for all series of Fast Drill bridge plugs.The different series offer varying operational pressure differentials ranging from 5,000 psi (34.47 MPa) up to 15,000 psi (103.42 MPa).The material composition, slip arrangement and the extrusion limiter package determine the differential pressure ratings at the corresponding temperatures.

CTU with Multiset Packer

This new technology offers the opportunity to perforate and stimulate multiple pay zones with a single well intervention often within two or three days. The technique employs a hydraulic jetting assembly on coiled tubing (CT) to perforate the casing and immediately followed by pumping a fracture stimulation treatment through the annulus between CT and casing. To isolate the pay zones, a multiset packer is located at the bottom of the assembly which is to be mechanically set and unset to prevent exposure of previous of stimulated zones.Advantages Of This Technology: No limit for work-over and...