| 摘要 |
FIELD: oil and gas production. ^ SUBSTANCE: proposed method comprises arranging first instrument with heater in borehole so that heater fits in underground bed section, heating the latter, withdrawing first instrument therefrom to arrange second instrument with sampling probe therein to make said probe stay in contact with bed section heated by heater, and sampling fluid from said section of bed heated by heater. ^ EFFECT: easier sampling. ^ 15 cl, 9 dwg |
