Products Description
C Series Casing with Coupling
|
No. |
Std. |
ltem |
Length(m) |
OD*WT(mm) |
Grade |
|
C73 |
|||||
|
1 |
C73 |
casing |
3.0 |
73.0*4.5 |
DZ40 |
|
2 |
C73 |
casing |
indefinite length above 4m |
73.0*4.5 |
DZ40 |
|
3 |
C73 |
coupling |
|
73.0 |
|
|
4 |
73 |
casing clamp |
|
|
|
|
C89 |
|||||
|
1 |
C89 |
casing |
3.0/4.5 |
89.0*4.5 |
DZ40 |
|
2 |
C89 |
casing |
indefinite length above 4m |
89.0*4.5 |
DZ40 |
|
3 |
C89 |
coupling |
|
89.0 |
|
|
4 |
89 |
casing clamp |
|
|
|
|
C108 |
|||||
|
1 |
C108 |
casing |
3.0/4.5 |
108.0*4.5 |
DZ40 |
|
2 |
C108 |
casing |
indefinite length above 4m |
108.0*4.5 |
DZ40 |
|
3 |
C108 |
coupling |
|
108.0 |
|
|
4 |
108 |
casing clamp |
|
|
|
|
C127 |
|||||
|
1 |
C127 |
casing |
3.0/4.5 |
127.0*4.5 |
DZ40 |
|
2 |
C127 |
casing |
indefinite length above 4m |
127.0*4.5 |
DZ40 |
|
3 |
C127 |
coupling |
|
127.0 |
|
|
4 |
127 |
casing clamp |
|
|
|
|
C146 |
|||||
|
1 |
C146 |
casing |
3.0/4.5 |
146.0*5.0 |
DZ40 |
|
2 |
C146 |
casing |
indefinite length above 4m |
146.0*5.0 |
DZ40 |
|
3 |
C146 |
coupling |
|
146.0 |
|
|
4 |
146 |
casing clamp |
|
|
|
|
C168 |
|||||
|
1 |
C168 |
casing |
3.0/4.5 |
168.0*6.5 |
DZ40 |
|
2 |
C168 |
casing |
indefinite length above 4m |
168.0*6.5 |
DZ40 |
|
3 |
C168 |
coupling |
|
168.0 |
|
|
4 |
168 |
casing clamp |
|
|
|
X Series Casing with Coupling
|
No. |
Std. |
Item |
Length(m) |
OD*WT(mm) |
Connect Method |
Thread pitch |
Thread |
|
A Diameter |
|||||||
|
1 |
AX |
casing |
1.5 |
57.1*4.35 |
with coupling |
8.0thread/inch |
57.5 |
|
2 |
AX |
casing |
3.0 |
57.1*4.35 |
with coupling |
8.0thread/inch |
57.5 |
|
3 |
AX |
coupling |
|
57.2 |
|
8.0thread/inch |
57.5 |
|
B Diameter |
|||||||
|
1 |
BX |
casing |
1.5 |
73.0*4.5 |
with coupling |
8.0thread/inch |
60.5 |
|
2 |
BX |
casing |
3.0 |
73.0*4.5 |
with coupling |
8.0thread/inch |
60.5 |
|
3 |
BX |
coupling |
|
73.2 |
|
8.0thread/inch |
60.5 |
|
N Diameter |
|||||||
|
1 |
NX |
casing |
1.5 |
89.0*4.5 |
with coupling |
8.0thread/inch |
64.0 |
|
2 |
NX |
casing |
3.0 |
89.0*4.5 |
with coupling |
8.0thread/inch |
64.0 |
|
3 |
NX |
coupling |
|
89.0 |
|
8.0thread/inch |
64.0 |
|
H Diameter |
|||||||
|
1 |
HX |
casing |
1.5 |
114.3*6.35 |
with coupling |
5.0thread/inch |
67.0 |
|
2 |
HX |
casing |
3.0 |
114.3*6.35 |
with coupling |
5.0thread/inch |
67.0 |
|
3 |
HX |
coupling |
|
114.5 |
|
5.0thread/inch |
67.0 |
|
P Diameter |
|||||||
|
1 |
PX |
casing |
1.5 |
139.7*7.1 |
with coupling |
5.0thread/inch |
70.0 |
|
2 |
PX |
casing |
3.0 |
139.7*7.1 |
with coupling |
5.0thread/inch |
70.0 |
|
3 |
PX |
coupling |
|
140.0 |
|
5.0thread/inch |
70.0 |
|
S Diameter |
|||||||
|
1 |
SX |
casing |
1.5 |
168.0*6.5 |
with coupling |
5.0thread/inch |
76.5 |
|
2 |
SX |
casing |
3.0 |
168.0*6.5 |
with coupling |
5.0thread/inch |
76.5 |
|
3 |
SX |
coupling |
|
168.0 |
|
5.0thread/inch |
76.5 |
Drilling rod casing is an essential component in the process of drilling for oil or natural gas. It serves as a protective barrier and structural support for the drill hole. The casing is typically made of steel and is inserted into the wellbore to prevent the surrounding earth from collapsing into the hole. Additionally, it helps isolate different geological formations, ensuring the integrity of the well and preventing the mixing of fluids between formations. Casing also plays a crucial role in preventing groundwater contamination and maintaining well stability during drilling operations.
Casing pipe is used for protecting subsurface formations. It also protects the bore hole form collapsing.
As an important part of the bore hole, casing has several important functions:Prevent bore hole collapse, the isolation of different formations to prevent liquid convection between the formations and thus play a role in controlling the drilling fluid and pressure while drilling.
Assist ground control equipment and down hole production equipment to achieve their respective functions.
Some relevant products we make:

About ESUN
As a seasoned manufacturer specializing in rock drilling equipment and associated tools, we export our range of rock drills, down-the-hole drills, top hammer drills, rotary drilling rigs, and water well drilling rigs to international markets. These products find widespread applications in bridge infrastructure, tunnel excavation, mining, water well construction, and urban transportation projects.
Moreover, we function as an established provider of engineering solutions, contributing to making global trade more efficient, intelligent, and sustainable. At Angola, we collaborate closely with strategic partners to deliver adaptable solutions tailored to our clients' specific requirements. Our strategic partners bring decades of expertise in the Oil & Gas sector, bridge infrastructure, tunnel excavation, mining, and various construction industries, ensuring comprehensive and effective project solutions.
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