Screenless frac-packs extend PetroChina well production

During field trials, PetroChina successfully installed screenless frac-pack completions to control proppant flow-back, thereby extending the life of marginally producing wells in Jidong oil fields.Previous completions with premium screens and high-rate water packs required, on average, a workover every 2-3 months to clean out proppant, formation sand, and fines that greatly reduced production. Sand production also caused erosion damage to sand-control screens and surface equipment and plugging of electric submersible pumps (ESPs).1The operator, therefore, considered screenless frac-pack completions using a tip screen-out design and a newly developed curable resin for controlling flow-back...

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