CABLE SERVICE CHANNEL AND SYSTEM OF TELEMETRY FOR DRILLING STREAM, AND METHOD OF WELLS DRILLING (VERSIONS)
FIELD: oil and gas industry. ^ SUBSTANCE: invention relates to driven telemetre systems in drilling pipes and to passing of signals through drilling column (DC). Cable service channel (SC) for DC includes located at a distance from each other adapter sub into DC and cable, connecting adapter sub for...
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Format: | Patent |
Sprache: | eng ; rus |
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