OEM Sj Double-Way Shock Absorber - API Standard for Drilling Rig Protection

• Customization: Available
• After-sales Service: Provide
• Warranty: Provide
• Model NO.: SJ DOUBLE WAY SHOCK ABSORBER
• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• Surface Treatment: Polishing
• Centralizer Type: Rigid
• Structure: Automatic Reversing
• Material: Alloy
• Type: Drilling Jar
• Transport Package: Wooden
• Specification: 89-229mm
• Trademark: KAIDI
• Origin: China
• HS Code: 8481300000
• Production Capacity: 50000pieces/Year

Product Description

Product Description

 

SJ Double-Way Shock Absorber
YJ ONE-WAY SHOCK ABSORBER
ZJS JAR INTENSIFIER  
CSJ SUPER FISHING JAR  
KXJ FISHING BUMPER SUB
0BXJ LUBRICATED FISHING BUMPER SUB
YSJTYPE Z OIL JAR
DJ SURFACE BUMPER JAR
YSJTYPE Z OIL JAR

QY type hydraulic drilling jar
QYSZ III DOUBLE ACTING HYDRAULIC DRILLING JAR  
JYSZ DOUBLE ACTING HYDRAULIC-MECHANICAL DRILLING JAR
QJZ MECHANICAL DRILLING JAR
ZSJ/ZXJ HYDRAULIC & MECHANICAL TWO-PIECE DRILLING JAR

Product Parameters

About SJ Double-Way Shock Absorber

The SJ Type double-way shock absorber is used to dampen or eliminate both vertical and horizontal shock / vibration caused by the drill string. The primary benefit of shock absorption is that it helps to reduce damages to the drill bit and drilling tools, reduce drilling cost and enhance drilling efficiency.
Specifications - SJ Double-Way Shock Absorber

Model	SJ46B	SJ62C	SJ64C	SJ70C	SJ80C	SJ90C	SJ94C
OD in(mm)	121	160	165	178	203	229	241
ID in(mm)	38	47	47	57	64	71	71
Max.  Stroke in(mm)	4 5/16	4 3/4	4 3/4	4 5/16	4 3/4	4 3/4	4 3/4
	110	120	120	100	120	120	120
Ambient temperature (ºC)	-40 ~150
Max. Torque(KN·m)	10	15	15	15	20	20	20
Max.Bit weight(KN)	200	340	340	400	480	540	540
Tensile Load(KN)	1000	1500	1500	1500	1960	1960	1960
Connection	NC38	NC46	NC50	NC50	6 5/8REG	7 5/8REG	7 5/8REG

Specifications - CSJ Super Fishing Jar

 

Model	CSJ31B	CSJ34B	CSJ36B	CSJ42C	CSJ46B	CSJ62B	CSJ64B	CSJ70B	CSJ76B	CSJ80B	CSJ90B
O.D. in(mm)	80	89	95	108	121	160	165	178	197	203	229
I.D. in(mm)	25.4	25.4	28	38	45	57	57	60	71	71	76
Stroke in(mm)	298	298	298	305	305	320	320	320	330	330	330
Tensile Load(KN)	300	400	500	700	980	1270	1370	1570	1870	2100	2200
Max. Tension Downhole(KN)	150	180	200	250	400	700	750	800	800	800	1000
Max.Work Torque(KN·m)	3	3.5	4	6	8	15	15	17	20	22	25
sealing pressure(MPa)	30
Max. working temperature(ºC)	150
Connecting	2 3/8REG	NC26	NC26	NC31	NC38	NC50	NC50	NC50	6 5/8REG	6 5/8REG	7 5/8REG

Specifications - ZJS Jar Intensifier

 

Model	ZJS31B	ZJS34B	ZJS36B	ZJS42B	ZJS44B	ZJS46B	ZJS62B	ZJS64B	ZJS70B	ZJS76B	ZJS80B	ZJS90B
O.D.in(mm)	79	89	95	108	114	121	160	165	178	197	203	229
I.D.in(mm)	25 2/5	28	28	38	38	38	57	57	57	71.4	71.4	76
Stroke in(mm)	215	215	215	250	250	250	330	330	310	330	330	330
Connecting	2 3/8REG	NC26	NC26	NC31	NC31	NC38	NC50	NC50	NC50	6 5/8REG	6 5/8REG	7 5/8REG
Max. Tension Downhole(KN)	300	400	550	700	800	900	1500	1500	1800	2100	2200	2500
Max.Work Torque(KN·m)	3	3.5	4	6	7	8	15	15	17	20	20	22
sealing pressure(MPa)	30
Pull down full stroke force(tf)	13~15	16~19	17~20	25~30	25~30	30~35	60~65	60~65	75~85	62~67	62~67	75~85

Specifications - KXJ Type Fishing Bumper Sub

 

Model	KXJ31B	KXJ34B	KXJ36B	KXJ42B	KXJ46B	KXJ62B	KXJ64B	KXJ70B	KXJ76B	KXJ80B	KXJ85B	KXJ90B
OD in(mm)	79	89	95	108	121	159	165	178	197	203	219	229
ID  in(mm)	25.4	28	32	38	38	51	51	70	70	70	76	76
sealing pressure(MPa)	30
Max.Tensile Load(KN)	300	400	500	700	1200	1430	1430	1530	1630	1630	1630	2200
Max. Working Torque(KN·m)	3	3.5	4	6	8	13	13	15	20	20	20	25
Work stroke in(mm)	20	20	20	20	39 3/8	55 1/8	55 1/8	55 1/8	59	59	20	59
	508	508	508	508	1000	1400	1400	1400	1500	1500	508	1500
API connection	2 3/8REG	NC26	NC26	NC31	NC38	NC50	NC50	NC50	6 5/8REG	6 5/8REG	6 5/8REG	7 5/8REG

Specifications - BXJ Lubricated fishing bumper sub

Model	BXJ31B	BXJ34B	BXJ36B	BXJ42B	BXJ46B	BXJ62B	BXJ64B	BXJ70B	BXJ80B
OD in(mm)	80	89	95	108	121	159	165	178	203
ID in(mm)	25.4	25.4	28	38	38	57	57	70	76.2
sealing pressure(MPa)	30
Max.Tensile Load(KN)	30	40	50	70	90	143	143	153	220
Work stroke in(mm)	15 1/2	15 1/2	15 1/2	15 1/2	15 3/4	18 1/8	18 1/8	18 5/16	18 5/16
	394	394	394	394	400	460	460	465	465
API connection	2 3/8REG	NC26	NC26	NC31	NC38	NC50	NC50	NC50	6 5/8REG

QY type hydraulic drilling jar is a new generation of double-acting hydraulic jar that is fully upgraded by our company on the basis of the original QYSZ type full-hydraulic drilling jar. It has the characteristics of simple operation, adjustable shock tonnage, high temperature resistance, etc. This type of drilling jar adopts a new hydraulic delay release system, which has excellent reliability and wide adaptability.

Model		QY79	QY89	QY95	QY108	QY121	QY165	QY178	QY203	QY241
OD in(mm)		80	90	96	109	122	167	181	206	244
ID in(mm)		25	32	32	38	50	57(70)	70	76	76
operating Temperature (ºC)		160
Tensile strength (KN)		600	750	1000	1350	1950	3750	4650	6030	8500
torsional strength (KN·m)		6	7	8	16	25	70	80	135	165
Allowable releaseforce KN	Upward jarring	150	180	200	250	350	700	800	1000	1250
	Downward jarring	60	90	100	120	180	350	400	500	650
Upward/Downward jarring stroke in(mm)		10 7/16				12 1/2
		265				317.5
Total stroke in(mm)		20 7/8				25
		530				635
connection		2 3/8REG NC23	2 7/8REG NC26	2 7/8REG NC26	NC31	NC35 NC38	NC50	NC50	6 5/8REG	7 5/8REG

Note: The tensile strength and torsion strength are based on the nominal size of the tool and the standard yield and tensile value of the material, which are calculated according to the API RP7G. These data do not have a direct or indirect legal guarantee.
 

QYSZIII New Double Acting Hydraulic Drilling Jar is a new hydraulic drilling jar with locking mechanism developed on the basis of the structure of QYSZII double-acting hydraulic drilling jar. Besides the advantages of QYSZII type, it also has the following advantages.

Specifications - Double Acting Hydraulic Drilling Jar

QYSZ III DOUBLE ACTING HYDRAULIC DRILLING JAR

 

Model		QYSZIII 108	QYSZIII 121	QYSZIII 165	QYSZIII 203	QYSZIII 241
OD  in(mm)		109	122	167	206	244
ID  in(mm)		38	50.8	57(70)	76	76
Working temperature ºC		150
Tensile strength (KN)		1350	1950	3750	6230	8500
Torsional strength (KN·m)		16	25	70	135	165
Unlocking Force (KN)	Up jarring	160±25	180±25	420±25	425±25	425±25
	Down jarring	70±25	80±25	180±25	205±25	205±25
Maximum release force (KN)	Up jarring	250	350	700	1000	1250
	Down jarring	120	180	350	500	650
total stroke in(mm)		20  7/8	25
		530	630

JYSZ DOUBLE ACTING HYDRAULIC-MECHANICAL DRILLING JAR
The drilling jar is consists of drilling up jar and drilling down jar in one body, which has stable working performance and strong jarring force both up and down. When in down hole, it can release the struck; it is a desire tool for directional well and deep well.

Specifications - JYSZ Double Acting Hydraulic-Mechanical Drilling Jar JYSZ

Model	JYSZ121	JYSZ159	JYSZ165	JYSZ178	JYSZ203	JYSZ241
OD  in(mm)	121	159	165	178	203	241
ID  in(mm)	51	57.2	57.2	64	71.4	76.2
API connection	NC38	NC46	NC50	NC50	6 5/8REG	7 5/8REG
Up jarring free stroke in(mm)	6	6	6	6	6	6
	152	152	152	152	152	152
Down jarring free stroke in(mm)	6	6	6	6	6	6
	152	152	152	152	152	152
MAX. jarring force (KN)	350	700	700	800	1000	1250
Rated Release Force for Up jarring (KN)	200~240	400~450	400~450	400~450	450~500	450~500
Rated Release Force for DOwn jarring (KN)	80~100	180~200	180~200	180~200	190~210	200~220
Max. Tensile Load (KN)	1600	3400	3400	3700	4400	5400
Working Pull Force (KN)	1100	2000	2000	2400	2800	3500
Max. Torque(KN·m)	20	51	51	60	100	129
Working Torque (KN·m)	15	25	25	30	35	40
Pump Area (cm²)	75.4	126.6	126.6	143.1	198.5	283.4

QJZ MECHANICAL DRILLING JAR
QJZ type mechanical drilling jar is a kind of fully-mechanical jarring tools. It can release the drilling tools sticking accidents by providing a up and down jarring force. Basically, it is part of the drill stem, whenever needed, the jarring force can increase the working efficiency.
Specifications - QJZ Mechanical Drilling Jar
 

Model	QJZ121	QJZ159	QJZ165	QJZ178	QJZ203	QJZ229
OD  in(mm)	121	159	165	178	203	229
ID  in(mm)	51	57	57	57	71.4	76.2
Up Stroke in(mm)	7  7/8	5 5/8	5 5/8	5 7/8	5 13/16	8
	200	142	142	149	145	203
Down Stroke in(mm)	7  7/8	6 3/4	6 3/4	5 5/8	7	8
	200	172	172	168	178	203
Max. Up Jarring Farce (KN)	400	600	620	700	800	1000
Max. Down Jarring Farce (KN)	250	350	350	420	450	500
Max Tensile Load(KN)	1400	2200	2200	2200	2500	3000
Max. Working Torque (KN·m)	10	15	15	15	20	25
Connection	NC38	NC46	NC50	NC50	6 5/8REG	7 5/8REG
Pump Area(cm²)	70.8	115.7	115.7	132.7	174.3	240.4

 ZSJ/ZXJ HYDRAULIC & MECHANICAL TWO-PIECE DRILLING JAR
The drilling jar connecting with drill tool and working with drill strings is a downhole stuck freeing tool in drilling operation. When drill tool is happened to be stuck in downhole, the stuck drill tool can be released by in time starting the drilling jar to provide continuous up jarring or down jarring. It is a desire tool for directional well, complicated well and deep well.

Specifications - ZSJ/ZXJ Hydraulic & Mechanical two-piece Drilling Jar

 

Model	ZSJ94B	ZSJ90B	ZSJ80B	ZSJ76B	ZSJ70B	ZSJ66B	ZSJ64B	ZSJ62B	ZSJ56B	ZSJ46B
	ZXJ94B	ZXJ90B	ZXJ80B	ZXJ76B	ZXJ70B	ZXJ66B	ZXJ64B	ZXJ62B	ZXJ56B	ZXJ46B
OD in(mm)	241	229	203	197	178	172	165	160	146	121
ID in(mm)	76	76	71.4	71.4	70	63.5	57	57	57	47
Up Stroke in(mm)	13 1/2	13 1/2	14 1/2	14 1/2	13 1/2	13 1/2	13 1/2	13 1/2	13	13 1/2
	343	343	368	368	344	344	344	344	332	305
Down Stroke in(mm)	10	10	7 1/8	7 1/8	7	7	7	7	7 1/8	7
	254	254	181	181	178	178	178	178	180	178
API connection	7 5/8REG	7 5/8REG	6 5/8REG	6 5/8REG	NC50	NC50	NC50	NC46	4 1/2FH	NC38
Max.Tensile Load(KN)	2800	2800	2500	2500	2300	2200	2200	2200	2000	1400
Allowable Working Torque (KN·m)	22	22	20	18	15	15	15	15	15	13
Rated Release Force for Up jar(KN)	500~700	500~700	400~600	400~600	350~550	350~550	300~450	300~450	200~350	150~250
Max. Up Jarring release Force(KN)	1000	1000	750	750	700	700	550	550	450	270
Max. Down Jarring release Force(KN)	650	650	600	600	550	550	500	500	400	250

 

 

Company Profile

 

Mudanjiang Kaidi Petroleum Machinery Co., Ltd is a professional manufacturer in the field of petroleum machinery, boasting rich experience and excellent technical strength in the production of downhole petroleum drilling and production tools.

Our main products are downhole petroleum drilling and production tools, covering a variety of types and specifications, which can meet the various needs of different customers in the process of petroleum extraction. With advanced production equipment and exquisite production technology, we have strong production and machining capabilities, enabling us to efficiently and accurately complete the processing and manufacturing of various complex parts.

Notably, we specialize in custom - made services according to customers' drawings. No matter how unique and complex the customers' requirements are, our professional technical team, with rich experience and innovative ability, can customize products that meet their specific needs according to the drawings and requirements provided by customers, providing personalized solutions for them.

In terms of material processing, we have deep technical accumulation and professional advantages, especially in the processing of special materials such as nickel - based alloys and titanium alloys. These special materials have excellent properties such as high strength, corrosion resistance and high temperature resistance, which are suitable for the harsh petroleum extraction environment. We are proficient in the processing technology of these materials, which can give full play to their performance advantages and ensure the quality and reliability of products.

We always adhere to the business philosophy of "quality first, customer first", and have won the trust and support of our customers with high - quality products and services. In the future, we will continue to focus on technological innovation and product optimization in the field of petroleum machinery, continuously enhance our core competitiveness, and make greater contributions to the development of the global petroleum industry.


Contact for Technical Support:
LAURA Manager

FAQ for Oilfield Machinery Products

Q1:Do your products comply with API/ISO international standards?
Answer: Yes, our products fully comply with API Spec 7-1, API 6A, and are certified with ISO 9001.
Q2:How do we ensure quality?
Answer:Production samples are always made before mass production.
A final inspection is always conducted before shipment.
Q3:: Are you the manufacturer? What petroleum machinery products do you mainly offer?
Answer: Yes, we are a professional manufacturer integrating R&D, production and export with our own production base. Our main products include:
Fishing Tools (e.g., overshots, fishing spears, milling shoes
Drilling Tools (e.g., drill pipes, stabilizers, reamers)
Valves (e.g., gate valves, check valves, safety valves)
Other downhole equipment, etc.
For more details, please contact our sales team We also provide customized OEM solutions.
Q4:What is the warranty period? How to claim it?
Answer: 12-month warranty. Provide the serial number and fault description for a response within 48 hours.
Q5:Do you provide technical training or on-site support?
Answer: Free remote training is available. On-site support costs are negotiable.
Q6: What is the lead time for delivery?
Answer: 30 days for standard products; 60-90 days for customized orders (subject to complexity).
Q7: What shipping methods do you offer? How to track orders?
Answer: Sea express shipping available. Tracking number and link provided after shipment.
Q8: How do you package the products to prevent rust during sea shipping?**  
Answer:Packaging includes anti-rust oil, vacuum sealing, wooden crates, and desiccants.*  
Q9:Do you accept customized orders?
Answer: OEM is accepted. Submit detailed drawings or specifications for a quote.
Q10:How to get your latest product catalog?For any further detailed inquiries, please feel free to contact us .