???? ????? PDC ??? ????? ????? ????? ???????? ????? ??? ??????? ????? ?????. ???? ???????? ??? ????? ???? ROP ????? ??? ??? 20% ?? ???? ???????? ???????????? ??????? ?????? ??????. ?? ??? ???????? ??? ????? ??????????? ????? ?????? ???? ?? PDC ?????? ????? ?????.
??? ????? ????? ???? ?? PDC
??????? ???????? ???? ???? ??? ???? ???? ?????????
???? ??? ????? ???? ??? ROP ???? PDC. ???? ????? ??????? ???????? ????????????? ????????? ????????? ??? ????? ??? ???? (WOB) ???? ??????? ?? ??????? (RPM) ?????. ???? ?? ???? ????????? ?????? ??? ????? ROP ??? ?? ??? ????? ?????. ??? ????? ?? ???? ?? ???? ????????? ?????? ????? ????? ?? ???? ??? ROP ?????? ????? ????? ????? ?????. ???? ??? ??? ????????? ???????? ????? ????? ??? PDC ?????? ???? ??? ?? ???????? ?????? ??? ?????? ?? ????? ?????? ????????? ?????. ???? ???????? ??????? ???? ??????? ?????? ??????? ????? ?? ??????? ??? ????????? ????? ?? ??? ??????.
??? ???????? ???????????? ?? ????? ?? PDC
??? ?????? ??????????? ????? ?????? ?????? ???? ????? ?????? ????? ?? ?????. ??? ?????? ???????? ???????????? ??? ???? ????? (HSI) ???? ????? ???????? ??????? ?? ???????? ??????. ???? ???????? ???????????? ??????? ???? ???? ??????? ???????? ??????? ??? ??? ??????? ??? ???? ????? ??????? ????? ??????. ????? ?????? ?????? ??? ???? ROP ?? ????? ???????? ??????? ???? ?? ????????? ??????. ???? ???????? ???????????? ??????? ????? ????? ??? ????? ?????? ?? ??????? ?????? ?????? ??? ???????? ??? ????? ?? ????? ??? ?????? ?????? ????? ???? ???.
????? ????? ??????
???? ????? ?????? ???? ????? ??? ????? ?????? ???????? ??? ???????? ???? ??? ??????. ???? ????????? ????? ??????? ?????? ?? ???? ????? ?????? ???? ?? ???? ?? ?????? ????? ?? ??? ?????. ???? ??????? ???????? ??? ????? ??? ????? ????? ???????? ??????? ?? ??? ???????. ????? ??? ?????? ??????????? ?? ?? ???? ????? ???? ???? ?? ROP ????????? ?????? ?? ????????? ??????? ????????. ???????? ??? ???? ????? ??????? ??????? ????? ??? ??? ??????? ??? ????? ???????? ???? ?????? ??? ????????? ??? ???? ???????? ??????? ??? ???? ??? ???? ??? ???? ????? ??????? ???????.
![?? PDC]( "PDC bit")
????? ???????? ???????????? ??? PDC
????? ???? ?????? ?????? ?????
???? ?????? ?????? ??????? ??? ????? ????? ????? ???? ??????. ??? ?? ?????? ??? ???? ????? ???? ?? 100 ???/????? ???? ???? ???? ?????????. ??? ???? ??? ?????? ?????? ???? ?? ???? ???? ?????? ???? ????? ??????? ????????????. ??? ??? ???????? ?????? ?????? ????? ?????? ?????? ??? ??? ?? ????? ??????? ?????? ??? ????? ????? ???? ????. ????? ?????? ???? ??? ??????? ???? ???? ??? ????? ?????? ??? ?????? ????? ?? ????? ?????? ????????? ?????? ??? ?????? ?????? ???????? ???? ????? ?????.
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???? ????? ??? ??????? ???????? ???????? ??? ????? ?????? ???????????. ????? ?????? ????????? ???? ??????? ??? ???????? ???????? ????? ?? ??????? ??????. ?????? ??? ????? PDC ??????? ???? ??????? ???????? ????? ????? ?????? ???? ????. ???? ??? ??????? ??? ????? ????? ?????? ?????? ???? ????? ???? ?????? ??? ???? ?????? ???????? ??? ???? ROP ?????. ????? ??????? ??????????? ?????? ?????? ?????? ?????? ????? ?? ?????? ??? ????? ???? ???? ?????? ??? ???? ?? ???????? ????? ?????? ?? ??????? ?? ?????? ??????? ?? ????????.
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≥ 100 ??? / ????? |
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1:1 |
????? ?????? ???????? |
HSI (????? ???????? ????????????) |
2.5-4.0 |
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???? ????? HSI ???? ???? ????? ??? ?? ????. ???? ???????? ???????????? ??????? ??? ????? ??? ????? ?? ??? ?? HSI ?????? ???? ?? ???? ??? ????? ???? ?????. ???? ??? ??? ?????? ?? ?????? ?????? ??? ????? ??????? ?????? ???? ?????. ????? ????????? ??? ???? ??????? ???????? ?????? ????? ???? ????? ?????? ??????. ???? ?????? ??? HSI ?????? ????? ??? ????? ????? ??? ??? ?????? ????? ?????? ??????? ?? ????????? ???????? ??? ???? ??????? ?????????? ????? ?????? ????? ????? ??????.
??? ??????? ?????? ???????? ????????
???? ??? ??????? ?????? ??? ????? ????? ?????? ??????? ??? ???????. ???? ???????? ??? ????? ?????? ???? ?????? ???????? ????? ????? ??? ??? ??????. ??? ???? ?????? ???????? ??????? ?? ????? ????? ???????? ??? ??????? ???? ??????? ??????? ??? ???? ????? ????? ????? ?????? ??? ???? ROP ????? ???? ???????. ???? ????? ??? ??????? ????? ??? ????? ?????? ??????? ????? ??????? ?????? ???? ??? ?????? ???????? ?????? ?? ????? ?????? ???????.
????? ????? ?????? ?????? ???? ?????? ?? ROP
??? ?????? ???????????
???? ????? ????? ??????? ????????? ??? ????? ????? ???? ???????. ????? ??????? ????? ?????? ?? 6 ????? ?????? ?????? ?? ???? ???? ????????? (ROP). ???? ????? ??????????? ?? ???????? ?????? ????? ??? ??????. ???? ????? ??????? ????? ?????? ?? ??????? ????? ?????? ????? ???????? ?? ????????. ???????? ??? ???? ???? ??????????? ??????? ?? ???????? ????? ???? ?????? ?????? ???????? ??? ???? ???????? ????? ??? ?????? ??????? ??? ?????? ???? ??? ?? ????????? ????????.
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???? ??????? ?????? ????? ??? ????? ?????? ?? ?????? ?????? ?? ???? ?? ????? ??? ??????. ???? ??????? ???????? ??? ??????? ????????? ?? ??????? ??? ????? ????? ??????. ???? ????? ????? ???????? ???? 17.5 ?? ????? ???? ????? ??? ?????? ????????. ???? ?????? ?????? ???? ????? ??? ??? ??? ???? ?????? ???????? ?????????. ???? ?????? ???????? ??????? ?? ??? ?????? ???????? ??????? ?????? ??????? ???????? ??????? ?ROP ??????? ?????? ????? ????? ??????.
????? ?????? ????????
???? ??? ?????? ???????? ??? ????????? ????? ??????? ?? ???????? (ROP). ???? ????????? ????? ??????? ??? ????? ???? ????? ?????? ?? ???? ?? ???? ??????? ??? ?? ????. ???? ????????? ???????? ?????? ???? ??????? ???? ROP ??? ??????. ????? ?????? ??????? ???????? ???????? ?????? ????? ??????? ?????? ????? ????? ????????? ?????????. ???? ???????? ?????? ???????? ?? ???? ????????? ???????? ????? ?? ????????? ?????? ??? ???? ???? ????????? (ROP) ?? ?? ???? ????? ??????.
?????? ?? ??????? ??????? ?? ???????
?? ???? ????? ?????? ??? ???????? ????? ?? ???? ????? ??? ??????? ???????. ?? ?????? ????????? ?????? ?? ??????? ????????? ????? ????? ????????? ??????? ??????? ???? ?? ???? ??????. ????? ??? ????? ????? ????? ?????? ??? ????????? ????????? ??? ???? ??? ????? ?????? ??????? ????? ????? ?????? ????? ??? ????????. ??? ???? ?????? ????? ??????? ???????? ??????? ?? ??????? ??????? ??? ????????? ??? ????? ??? ???? ????? ?????? ????? ?????? ??.
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?? ????? ??? ?????????? ??????? ?????? ????? ???? ????? ?????. ???? ?? ???? ???????? ??????? ???????? ??????? ?? ??????? ????? ??????? ??? ????? ???? ???? ????????? ????? 15-20%. ???? ??? ?????? ?? ???? ?????? ????? ???? ????. ??? ???? ????? ?? ??? ???????? ?? ??? ????? ?????? ???????? ????? ???? ??? ?? ???? ????? ???????. ???? ????????? ????????? ????? ????? ???? ????? ?????? ???????? ?????? ??? ??????? ???? ???? ?????? ??? ???? ????? ??? ???? ??? ????.
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???? ?????? ?????? ????? ??????? ??????? ?????? ?????? ?????. ?????? ????? ?? PDC ?????? ??????? ?? ??????? ????????? ???? ???? ??????? ??? ???????. ???? ??? ??????? ?? ???? ??????? ????? ??????? ?????? ??????? ??? ????? ??? ???? ROP ?????? ??? ?? ????? ??????? ???????. ???? ???????? ??????? ????? ??? ????? ??? ??????? ?????? ??? ?????? ?????? ??? ??? ???? ??????? ??????? ?????? ??????? ?? ???????.
?????? ??????? ????????
???? ????? ??????? ???????? (FEM) ?????? ???????? ?????? ??????? ???????. ???? ???????? ???? ???? ?????? ?????? ????? ?????? ???? ?????? ??????????? ??? ????? ????????. ???? ??? ???????? ??? ????? ??? ???? ?????? ??? ???? ????? ?? ????? ????? ????????. ?????? ???????? ???????? ????? ?? ????? ????? ??????? ?????? ?????? ??????? ??????? ??? ????? ?? ????? ??????? ????????? ??????? ???????.
??????? ???????? ????? PDC
????? ????? ??? ???? (WOB).
??? ?????? ??? WOB ??????? ????? ??????? ???? ???? ?????? ?????? ???? ??????? ?????. ???????? ????????? ???? ?????? ???????? ???? ????. ???? ?? ???? WOB ?????? ?????? ?????? ?? ?????? ??????? ?? ??? ?? WOB ??? ?????? ???? ?? ROP. ??? ?? ???? ????????? ???? ???????? ????????? ?? ????? ??????. ???? ????? WOB ???????? ??? ????? ????? ???????? ???? ??? ????? ??????? ?????? ????? ??? ???? ??? ?????? ?????? ??? ??????? ????????.
??????? ???? ??????? (RPM).
????? ??? ??????? ?? ??????? ?????? ??? ????? ????? ??????? ?????????. ???? ????????? ???????? ???????? ?????? ???? ???? ?????? ???? ?????? ?? ROP ??? ???????? ???? ??????. ???? ????? ??? ??? ??? ??????? ?? ??????? ??????? ??? ??????? ?? ????? ?????? ?????? ?????? ????? ???????? ??????? ??????. ???? ??? ??? ??????? ?? ??????? ??????? ????? ??? ????? ????? ?????????? ??? ????? ????? ???? ?????? ??? ???? ?? ??????? ????????? ????? ???????.
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??? ?? ?????? ?????? ?????? ?? ??????? ?????? ??????? ?????? ????? ?????. ????? ????????? ???????? ??? ??? ??????? ??? ????? ????? ????? ????? ???????. ???? ?????? ?????? ??????? ????? ???????? ???? ????? ??? ROP ???? ??? ??????. ???? ???????? ???????? ?????????? ???????? ???????? ??????? ??? ???? ????? ?? ?????? ??? ?? ????????? ??????? ??? ???? ??????? ????????? ?????? ????? ???????.
????? ????? ??????????
???? ????? ??????? ??????? ?????? ?????? ????? ??????? ???? ????? ??????. ?? ??? ????????? ???? ????? ??? PDC ?? ??? ??????? ???????? ??????? ??? ????? ??????? ?????. ????? ?????? ??? ?????? ??????? ???????? ??????? ?? ???? ROP ????? ?? ??????? ???????. ????? ??????? ??????? ????? ????? ?? ????? ?????? ?? ??????? ?????? ????????? ??? ???? ??? ?????? ???? ????? ??? ???? ????? ?????.
?????? ?????? ??????? ?????????
???? ??????? ?????
???? ???????? ????????? ?? ??? PDC ??? 6 ????? ???? ?? ???? ?? ROP ????? 18% ?? ????????? ??????. ????? ????????? ?? ????? ?????? ??????? ??????????? ???? ????. ??? ??? ????????? ??? ????? ?????? ??? ??????? ????? ??????? ?????? ???? ??? ??????? ?????? ??????. ???? ?????? ????????? ?? ????????? ?????? ????? ??? ????? ????????????? ???????????? ???????????? ????? ????????? ??????? ?? ?????? ??????? ???? ????.
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?? ????????? ???????? ???? ????? ????? ?????? ??????. ???? ??? ?????? ?????? ???????? ????? ????????? ??? ????? ??????. ???? ???????? ????? ???? ????? ??????? ??????? ?? ???????. ???? ????? ????????????? ???????? ???????? ??? ???????? ?? ????? ?????? ??? ????? ??? ?????? ?? ????? ??????? ??? ?????? ?????? ?????? ??? ?? ????????? ??????? ???????? ?? ????????.
????? ????? ????? ????? 20% ?? ROP
??? ????? ??? ??????? ??????????? ???????????? ????? ?????? ??? ????? ??????? ????? ?? ROP. ??? ?????? ???????? ????? ??? ??? 20% ?? ????????? ????????. ???? ????? ??????? ?????????? ???????? ????? ?????? ??? ??? ???????. ???? ????? ???????? ???????? ??????? ????????? ???????? ????? ?????? ????? ??????? ?????? ??? ???? ?? ??????? ?? ????? ??????? ????????? ?????????.
????????? ?????????? ?? ????? ?? PDC
??????? ??????????? ?????
??? ??? ????? ???????? ?? ????? ?????? ???? ?????? ?? ??? ????? PDC ???? ?????? ?????? ?????? ??????? ???????????? ?????????? ????? ??? ???? ??????? ???????. ???? ?????????? ???? ???? ?????? ??????? ??????? ??????? ??? ???? ??????? ?? ??? ?????? ???? ???????? ???? ?????? ??? ???? ???????? ????? ??????? ??????? ??? ?????. ?? ???? ??? ????? ??????? ??? ????? ROP ????? ?? ???? ????? ??? ????? ??? ??????? ????? ?? ??? ?????? ??? ?????? ??? ????? ?????? ???? ??? ??????? ????? ?? ????????? ???????. ?? ???? ??????? ??????? ????????? ???? ???????? ???????????? ?????? ????? ???????? ?????? ??????? ??????? ??? ????? ?????? ??????? ??? ?? ?? ???? ??????? ??????.
???? ????? ????????? ????????
??? ???????? ?? ???? PDC ????????? ????? ???????? ?????? ??? ????? ????? ????? ???? ????. ???? ?????? ????? ??????? ????????? ??????? ??? ????? ?????? ??????? ??? ???? ?????? ?????? ???? ??? ????? ??????? ?????????. ???? ??? ?????? ??? ????? ??????? ???????? ?????? ????????? ????????? ?????? ??? ??????? ???? ?? ????????? ??????? ?? ??????. ???????? ??? ???? ???? ??????? ???????? ???????? ????? ??? ??? ?? ???????? ??????? ???????? ?????? ???? ???? ????? ??????? ?? ????? ????? ??????? ??????? ??? ???? ??? ?????? ?????? ??????? ?????? ????? ????? ?????????.
???????? ???????? ????????
???? ?????? ?????? ?????? ????????? ?????? ??????? ???????? (FEM) ??? ?????? ??? ????? ?????? ????? ?????? ???????????. ???? ??? ??????? ???????? ???? ???? ????? ?????? ?????? ??????? ???? ??????? ??? ????? ????????. ?? ???? ??????? ?????? ?????????? ???? ???????? ????? ??????? ??????? ??????? ?????? ??????? ?????????? ?????? ???? ???? ????????? (ROP). ???? ??????? ???????? ????? ????????????? ???????? ????????? ????????? ??? ???? ????? ?????? ?????? ????????? ????????? ?????? ??????? ?????????? ?? ???? ?????? ???????.
?????
????? ??? ?? ??? ??? 20% ?? ROP ?? ????? ?? PDC ?????? ?????????? ?????? ?????? ??????? ???????? ??????. Weifang shengde ???? ????? ?????? ?????????, LTD. ???? ??? PDC ????? ?????? ???? ??? ????? ????? ????? ???????. ???? ???????? ????? ???????? ????????? ??????? ?????? ??????? ??? ????? ???????? ??? ????? ???????? ?????? ????? ????.
?????????
?: ?? ?? ?? PDC ?????? ?? ????
?: ?? ???? PDC ????? ?? ???? ??? ????? ?????? ?? ????? ??????. ???? ????? ????? ?????? ??? ????? ??????? ?ROP.
?: ??? ?????? ????? ROP ?? PDC?
?: ?????? ????? ??????? ??????????? ??? PDC ?????? ????? ?????? ?????? ????? ????? ????? ?????.
?: ?? ?? ??????????? ????? ????? ??? ???? PDC?
?: ???? ???? ?????? ????? ?????? ?????? ?????? ??????? ??? ??????? ??? ??????? ?????? ????????.
?: ????? ??? ??????? ??????????? ????? ???? ??????? ????? PDC?
?: ???? ???????? ???????????? ???????? ????? ????? ???????? ???? ????? ???? ?????? ???? ????? ????? PDC.
?: ??? ???? ????? ?????? ??? ???? ??????
?: ???? ????? ?????? ??????????? ??? ????? ?????? ??????? ??? ???????? ??? ????? ??? ????? ROP ??? PDC ????????.
