生产封隔器或者测试封隔器可能下入下套管的井段，而膨胀式封隔器可以在裸眼井段使用，也可以在下套管井段使用。
Production or test packers may be set in cased holes and inflatable packers are used in open or cased holes.
在套损井中，由于套管变形、结垢等因素，进一步加大了封隔器卡钻的可能性。
The probability of packer sticking is increased because of the casing deformation and crustation in casing failure well.
利用可膨胀胶囊使封隔器密封元件紧靠套管或井筒的一种封隔器。
A type of packer that USES an inflatable bladder to expand the packer element against the casing or wellbore.
套管外封隔器可用于有高压气窜、恶性开漏等复杂情况井的固井，使固井质量有所提高。
The outer casing packer can be used in the troublesome Wells in which the high pressure gas channeling and the loss of circulation occur, to improve the cementing quality.
室内及现场试验表明，该封隔器对套管的伤害较小，同时具有坐、解封灵活可靠，耐高温、高压等优点。
Lab tests and field tests show that the packer harms the casing in a small degree, and it can operate reliably.
室内及现场试验表明，该封隔器对套管的伤害较小，同时具有坐、解封灵活可靠，耐高温、高压等优点。
Lab tests and field tests show that the packer harms the casing in a small degree, and it can operate reliably.
应用推荐