perforating


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perforating

[′pər·fə‚rād·iŋ]
(petroleum engineering)
Special oil-well downhole procedure to make holes in tubing walls and surrounding cement; used to allow formation oil or gas to enter the wellbore tubing, or to allow water to be forced out into the formation to cause fracturing (hydraulic fracturing).
References in periodicals archive ?
The field trials were successful with over 200 H-2 perforating guns run on multiple wells.
Correlation of perforating vein incompetence with extent of great saphenous insufficiency: Cross sectional study.
Skin biopsy is diagnostic for APD, and histopathology reveals findings of any of the four perforating dermatoses, and often more than one pattern is observed in a single patient [1,2].
There was disruption of the posterolateral 1/3 of the perforating peroneal artery wall with leakage of blood into the ankle, resulting in the pseudoaneurysm (Figure 5(a)).
Several different forms of perforating dermatoses exist, including reactive perforating collagenosis and the acquired perforating dermatosis diagnostic group (often associated with diabetes mellitus or chronic renal disease), which includes acquired reactive perforating collagenosis (RPC), elastosis perforans serpiginosa, perforating folliculitis, and Kyrle's disease.
The new machine copper-fastens the Swiss-based company's position as one of the leading sleeve manufacturers in Europe, as it further expands its operations in the dynamic shrink sleeve market; this time with the latest perforating capabilities.
There have been, however, only three reports of reactive perforating collagenosis at the healed site of herpes zoster.7,8,9 We report a case of acquired KD that developed at the site of a previous herpes zoster skin eruption in a 27-year-old Bengali male.
Web Movement Compensation is built into Rofin's latest laser system for perforating packaging, the StarPerfo Advanced.
The forensic examination confirmed that a perforating gunshot wound of MP Sanjar Kadualiev's head has caused his death.The body of MP Sanjar Kadyraliev was brought to the National Forensic Bureau on April 4 at 6:30 PM.
Solid Cutting cylinders CNC and EDM, Compressed Air Dies, Sprocket Hole Punching Dies, Slitting and Perforating Cylinders, Crosscutting and Perforating Cylinders, Anvil Cylinders Print Cylinders Hot Stamping Tools, Screen Printing Rings, Gears, Envelope Making Dies.
However, one technique in particular can prove useful: perforating.
Perforating the entire front door and the lower part of the back door, combined with fans mounted to the top, clearly provides the best scenario for cooling.

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