Kayayyaki
API 7-1 4145&Non-mag Drill Collar
Bayanin Samfura
Talakawa rawar soja abin wuya ne madauwari giciye sashe, cibiyar yana da ruwa rami, da bango kauri ne ya fi girma, da bututun ƙarfe ne karami, da nauyi na da naúrar tsawon ne girma fiye da girman rawar soja bututu kusan 4- 5 sau .Yawancin daga rawar rawar zaren aiki ne kai tsaye a jikin bututun, amma wasu daga cikinsu kuma suna amfani da haɗin gwiwa da aka maye gurbinsu.
Spiral drill collar wani nau'in kayan aikin hako mai ne. Irin wannan ƙwanƙarar ƙwanƙwasa tana da ikon hana bambance-bambancen matsa lamba na kayan aiki yayin hakowa.Ƙwayoyin karkace za su ba da damar laka ta gudana cikin yardar kaina a kusa da abin wuya don amfani da ma'aunin ma'auni don hana samuwar toshewa ta yadda za a hana bambancin matsa lamba.Za a iya yanke wurin tuntuɓar bangon rijiyar don ta yadda ya kamata a rage yiwuwar haifar da shingen matsa lamba.Ƙwayoyin karkace za su ba da damar laka ta gudana cikin yardar kaina a kusa da abin wuya don amfani da ma'aunin ma'auni don hana samuwar toshewa ta yadda za a hana bambancin matsa lamba.Za a iya yanke wurin tuntuɓar bangon rijiyar don ta yadda ya kamata a rage yiwuwar haifar da shingen matsa lamba.Nauyin abin wuyan rawar rawar karkace shine 4-6% ƙasa da na abin wuyan zagaye.
Abinda ba Magnetic Trar: An sanya tsarewar mara amfani da kayan maye daga kayan masarufi ba tare da hada wani tsari na sinadarai da karami mai gamsu da karfin magnetic mai kauri.za mu iya samar da tsawon daga 10 zuwa 42 ƙafa da waje diamita daga 31/8"zuwa 11'.
Ƙayyadaddun samfur
| Girman | OD (mm) | ID (mm) | Lambar | Zare | Tsawon (mm) | Nauyi (kg) |
| 3-1/8 | 79.4 | 31.8 (1-1/4) | Saukewa: NC23-31 | NC23 | 9140 | 298 |
| 3-1/2 | 88.9 | 38.1 (1-1/2) | Saukewa: NC26-35 | NC26 | 9140 | 364 |
| 4-1/8 | 104.8 | 50.8 (2) | Saukewa: NC31-41 | NC31 | 9140/9450 | 474/490 |
| 4-3/4 | 120.6 | 50.8 (2) | Saukewa: NC35-47 | NC35 | 9140/9450 | 674/697 |
| 5 | 127 | 57.2 (2-1/4) | Saukewa: NC38-50 | NC38 | 9140/9450 | 725/749 |
| 6 | 152.4 | 57.2 (2-1/4) | NC44-60 | NC44 | 9140/9450 | 1125/1163 |
| 71.4 (2-13/16) | NC44-60 | 9140/9450 | 1022/1056 | |||
| 6-1/4 | 158.8 | 57.2 (2-1/4) | Saukewa: NC44-62 | NC44 | 9140/9450 | 1237/1279 |
| 71.4 (2-13/16) | Saukewa: NC46-62 | 9140/9450 | 1134/1172 | |||
| 6-1/2 | 165.1 | 57.2 (2-1/4) | NC46-65 | NC46 | 9140/9450 | 1352/1398 |
| 71.4 (2-13/16) | NC46-65 | NC50 | 9140/9450 | 1249/1291 | ||
| 6-3/4 | 171.4 | 57.2 (2-1/4) | Saukewa: NC46-67 | NC46 | 9140/9450 | 1471/1521 |
| 7 | 177.8 | 57.2 (2-1/4) | Saukewa: NC50-70 | NC50 | 9140/9450 | 1597/1651 |
| 71.4 (2-13/16) | Saukewa: NC50-70 | 9140/9450 | 1494/1545 | |||
| 7-1/4 | 184.2 | 71.4 (2-13/16) | Saukewa: NC50-72 | NC50 | 9140/9450 | 1625/1680 |
| 7-3/4 | 196.8 | 71.4 (2-13/16) | Saukewa: NC56-77 | Farashin NC56 | 9140/9450 | 1895/1960 |
| 8 | 203.2 | 71.4 (2-13/16) | Saukewa: NC56-80 | NC56/6-5/8REG | 9140/9450 | 2040/2109 |
| 8-1/4 | 209.6 | 71.4 (2-13/16) | 6-5/8 REG | 6-5/8 REG | 9140/9450 | 2188/2263 |
| 9 | 228.6 | 71.4 (2-13/16) | Saukewa: NC61-90 | Farashin NC61 | 9140/9450 | 2658/2748 |
| 9-1/2 | 241.3 | 76.2 (2-13/16) | 7-5/8 REG | 7-5/8 REG | 9140/9450 | 2954/3054 |
| 9-3/4 | 247.6 | 76.2 (3) | Saukewa: NC70-97 | NC70 | 9140/9450 | 3127/3234 |
| 10 | 254 | 76.2 (3) | Saukewa: NC70-100 | NC70 | 9140/9450 | 3308/3421 |
| 11 | 279.4 | 76.2 (3) | 8-5/8 REG | 8-5/8 REG | 9140/9450 | 4072/4210 |
Features da Fa'idodi
An ba da tabbacin kewayon taurin 285 zuwa 341 BHN da ƙimar tasirin Charpy na 40 ft-lbs don daidaitattun rarraba maki 16 a cikin kowane sassan giciye a zafin jiki;
Ana lulluɓe haɗin phosphate bayan yin injin don kare zaren daga abubuwa masu lalata da kuma hana galling akan kayan shafa na farko;
Tushen zaren suna sanyi a kan haɗin API;
Ana ba da masu kariyar zaren ƙarfe da aka danna don duk kwalawar rawar soja waɗanda aka sanye da daidaitattun hanyoyin haɗi.
Zabuka
Tsagi na damuwa.Fasalolin taimako na damuwa akan fil ɗin API da haɗin akwatin don rage yawan yawan damuwa don haka inganta ƙarfin lanƙwasawa a kusa da wuraren haɗin.
Tushen zaren sanyin sanyi ya nuna tasirin fa'ida don haɓaka juriya na gajiyar haɗin gwiwa ta hanyar rage ƙima.
Hardbanding.Hardbanding a wuraren da ke ƙarƙashin ko sama na hutun zamewa ko a kafaɗar fil yana ƙara tsawon rayuwar ƙwanƙarar rawar soja.Hakanan za'a iya amfani da shi a cikin ƙayyadaddun ƙayyadaddun abokan ciniki.Hardbanding a wuraren da ke ƙarƙashin ko sama na hutun zamewa ko a kafaɗar fil yana ƙara tsawon rayuwar ƙwanƙarar rawar soja.Hakanan za'a iya amfani da shi a cikin ƙayyadaddun ƙayyadaddun abokan ciniki.
Slip da elevator recesses.Babban radius na hutun lif yana jujjuyawa don inganta rayuwar samfur.Ana sarrafa wuraren zamewa da lif daidai da API Spec 7-1.
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