نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای crooked bole:
n: a wellbore that has been unintentionally drilled in a direction other than vertical. It usually occurs where there is a section of alliterating hard and soft strata steeply inclined from the horizontal.
n: an area in which particular subsurface formations make it difficult to keep a drilled hole straight.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
