China Short Drill Collar Production
Sharaxaad:
Collar-gaaban ayaa laga sameeyay birta daawaynta ee xoogga badan ka dib daaweynta kulaylka. Waxqabadka farsamada iyo dunta isku xidhka ayaa buuxinaysa shuruudaha heerka API. Inta badan waxaa loo isticmaalaa qalab gaar ah oo ku xiran ama ka kooban tiro go'an oo qalab qodista ah.
Collarsyada Gaabnaa ee Qodista Gaaban waxa ay siinaya adkaanshaha aadka loogu baahan yahay isku xidhka xadhigga qodista waxana ay ka caawinayaan in aan si ula kac ah loo leexin ceelka riigga ah. Cabbirkeeda is haysta ayaa awood u siinaya in ay keento qulqulka sare waxayna kor u qaadaysaa heerka dhexgalka. Waxay la socotaa dibed jilicsan ama wareeg ah, taas oo faa'iido u leh yaraynta dhejinta kala duwan. Natiijadu waxay tahay, Collar Drill Short wuxuu hubinayaa in hawlaha qodista ay yihiin kuwo siman oo aan kala go' lahayn, taas oo kordhinaysa waxtarka guud ee habka qodista.
Tilmaamaha Farsamada:
OD mm (gud) | conn | Aqoonsiga (mm) | m |
105 (4-1/8) | NC31 | 50 | 1.5 / 2 / 2.5 / 3 / 3.5 |
121 (4-3/4) | NC35 | 50 | |
127(5) | NC38 | 57 | |
159 (6-1/4) | NC46 | 71.4 | |
165 (6-1/2) | NC46 | 71.4 | |
178 (7) | NC50 | 71.4 | |
203 (8) | 6 5/8 FEG | 71.4 | |
229(9) | NC61 | 71.4 |
Tilmaamid | OD (mm) | Isha Biyaha (mm) | Dulqaad API | L (mm) |
ZTD105 | 105 | 50.8 | NC31 | Habaynta |
ZTD127 | 127 | 57.2 | NC38 | |
ZTD168 | 168 | 71.4 | NC50 | |
ZTD203 | 203 | 71.4 | 6 5/8 REG |