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Subject: performance envelope dril. Пожалуйста, помогите перевести: performance envelope
контекст: To use the performance envelope, the differential pressure and tubing forces at the packer must be calculated using the TUBEMOVE™ program. To run the TUBEMOVE program for this packer, input the seal diameter as given in the specification guide as the seal diameter and input the tubing as being anchored into the packer. With the pressure and force at the packer calculated by TUBEMOVE, consult the attached performance rating envelope to ensure that the plotted coordinate (pressure, force) is inside the envelope.
Спасибо!
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