Tus nqi zoo tshaj Downhole Dth Rauj Bit Chaw Tsim Tshuaj Hoobkas

1.Suitable rau kev kub siab drilling rigs
2. Dej qhov dej drilling
3.Record tsoo nkag
4. Tshawb nrhiav Civil Engineering Applications
5.Tus nqi qis tshaj ib ko taw drilled
6.Simple & robust tsim
7. Tshawb nrhiav Civil Engineering Applications
8. Ko taw Valve tsis tas yuav tsum tau nyob rau hauv me ntsis
9. Lub neej ntev dua
10.Maximizes efficiency
11.Develops ntau zog rau tej compressor capacities

Qauv	Xov txuas	OD (mm)	Rec.Hole Size	Shank Style	Ua haujlwm siab (Bar)
CD35	API 2 3/8" Reg	f82mm ua	φ90-φ105	DHD 3.5 CD35	1.0-1.5Mpa
CD45	API 2 3/8" Reg	f99mm ua	φ110-φ135	Cop 44 DHD 340 CD45	1.0-2.5Mpa
CSD4	API 2 3/8" Reg	f99mm ua	φ110-φ135	SD4 CSD4	1.0-2.5Mpa
CQL40	API 2 3/8" Reg	f99mm ua	φ110-φ135	QL40 CQL40	1.0-2.5Mpa
cd55 ua	API 2 3/8" Reg API 3 1/2" Reg	φ125 hli	φ135-φ155	Cop 54 DHD 350R cd55 ua	1.0-2.5Mpa
CSD 5	API 3 1/2" Reg	φ125 hli	φ135-φ155	SD5 CSD 5	1.0-2.5Mpa
CQL 50	API 3 1/2" Reg	φ125 hli	φ135-φ155	Cop 54 QL 50 CQL 50	1.0-2.5Mpa
cd65 ua	API 3 1/2" Reg	φ148 hli	φ155-φ190	Cop 64 DHD 360 cd65 ua	1.0-2.5Mpa
CSD 6	API 3 1/2" Reg	φ148 hli	φ155-φ190	SD6 CSD 6	1.0-2.5Mpa
CQL 60	API 3 1/2" Reg	φ148 hli	φ155-φ190	Cop 64 qw 60 CQL 60	1.0-2.5Mpa
cd85 ua	API 4 1/2" Reg	φ185 hli	φ195-φ254	Cov 84 DHD 380 cd85 ua	1.0-2.5Mpa
CSD 85	API 4 1/2" Reg	φ185 hli	φ195-φ254	SD 8 CSD 8	1.0-2.5Mpa
CQL80	API 4 1/2" Reg	φ185 hli	φ195-φ254	qw 80 CQL80	1.0-2.5Mpa
CSD 10	API 4 1/2" Reg API 5 1/2" Reg API 6 5/8" Reg	φ225 hli	φ254-φ311	SD 10 CSD 10	1.0-2.5Mpa
CN 100	API 6 5/8" Reg	φ225 hli	φ254-φ311	NUMA 100 CN 100	1.0-2.5Mpa
CSD 12	API 6 5/8" Reg	φ275 hli	φ305-φ445	SD 12 CSD 12	1.0-2.5Mpa