
Bq Nq Hq Pq Wireline Overshots and Core Barrel For Diamond Core
Drilling
Specification:
Overshot is a necessary device in wireline drilling. It is dropped
on a cable and directly couples onto and lifts up the inner tube
assembly, eliminating the need to couple and uncouple the rod
string each time the core is retrieved.
NQ Overshots:
Components:
Eye Bolt; Cable Swivel Collar; Thrust Bearing; Castle Nut; Cotter
Pin; Grease Fitting; Cable Swivel Body; Jar Staff; Jar Tube; Hex
Nut 3/4 UNC; Cap, Ezy Lock O/Shot; Spring, Ezy Lock O/Shot; Sleeve,
Ezy Lock O/Shot; Compression Spring; Ball 11/32"; Ezy Lock Overshot
Head; Compression Spring; Lifting Dog; Plain Pin 1/2"x 1-15/16;
Spring Pin 1/4" x 1-3/4; Locking Pin; Set Screw, 3/8 UNFx3/4 Nyloc;
Locking Sleeve.
HQ Overshots:
Components:
Eye Bolt; Cable Swivel Collar; Thrust Bearing; Castle Nut; Cotter
Pin; Grease Fitting; Cable Swivel Body; Jar Staff; Jar Tube; Hex
Nut 3/4 UNC; Washer, Nord-lock; Cap, Ezy Lock O/Shot; Spring, Ezy
Lock O/Shot; Sleeve, Ezy Lock O/Shot; Compression Spring; Ball
11/32"; Ezy Lock Overshot Head; Compression Spring; Lifting Dog;
Plain Pin 1/2"x 2-1/8; Spring Pin 1/4" x 2; Locking Pin; Set Screw,
3/8 UNFx3/4 Nyloc; Locking Sleeve.
PQ Overshots:
Components:
Eye Bolt; Cable Swivel Collar; Thrust Bearing; Castle Nut; Cotter
Pin; Grease Fitting; Cable Swivel Body; Jar Staff; Jar Tube; Hex
Nut 3/4 UNC; Washer, Nord-lock; Cap, Ezy Lock O/Shot; Spring, Ezy
Lock O/Shot; Sleeve, Ezy Lock O/Shot; Compression Spring; Ball
11/32"; Ezy Lock Overshot Head; Compression Spring; Lifting Dog;
Plain Pin 1/2"x 3-1/4; Spring Pin 1/4" x 2; Locking Pin; Set Screw,
3/8 UNFx3/4 Nyloc; Sleeve; Locking Sleeve.
Q wireline core barrel Specification
series | Model | Drill bit(mm) | Reamer | Outer tube | Innder tube | Unit weight | |||
outer diameter | inner diamter | diameter | outer dia | Inner dia | outer dia | Inner dia | kg/set | ||
Q series core barrel | BQ | 59.5 | 36.5 | 60 | 57.2 | 46 | 42.9 | 38.1 | 45 |
NQ | 74.6 | 47.6 | 75.8 | 73 | 60.3 | 55.6 | 50 | 65 | |
HQ | 95.6 | 63.5 | 96 | 92.1 | 77.8 | 73 | 66.7 | 105 | |
PQ | 122 | 85 | 122.6 | 118 | 103 | 95.3 | 88.9 | 150 |
Product photos
About US
SOLLROC is specializing in manufacturing and exporting diamond
drilling tools over 10 years in China. All of drilling tools export
to the international market.
2. Our diamond drill bit are suitable for wide range of geological
formations from the softest to the hardest rock, widely used in all
kinds of drillings for prospecting, water and electricity building
and construction industry of road , railway ,bridge and building
taking out core examine stake .
3. High quickly drill speed and long time drill life.
4. Materials: super man-made diamond. Copper powder and so on.
Changsha Sollroc Engineering Equipments Co., Ltd
Sollroc, with more than 10 years of experience, is one of the prefessional manufacturer and supplier of high performance rock drilling tools like, DTH hammers and bits, RC hammers and bits, ODEX system, symmetrix system, DTH drill rods and top hammer drilling tools, our tools are widely used in different drilling applications including mining, quarring, water well drilling and etc.
We can provide specifications:
DTH hammers range: 3"-12’’
DTH bits range: 90mm - 600mm
DTH opener bits: 4"-10" from 82/165mm to 445/660mm
Shanks : BR series, DHD, COP, Mission, Mach; SD; QL; Numa.
Tophammer tools
Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60,GT68
Button bit face design: Flat face, drop centre,
Button bit body type: Normal and Retrac
Button bits diameters: 45mm-152mm