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Stabilizer

Stabilizer

Drilling Tools

Downhole Drilling Tools, Drill Stem Spiral Blade Near Bit Stabilizer , Drill String Stabilizer AISI4145H, Quality Downhole Drilling Tools

Product Introduction
Stabilizer is an important tool to stabilize the down-hole equipment and prevent deviation in oil and gas drilling. It is manufactured from high strength alloy steel (non-magnet steel optional), and prevents differential sticking of the drill string by stabilizing the BHA and keeping drill collars and drill pipes away from the borehole wall. In that case, the deviation rate and azimuth change rate will follow the drilling plan, that can avoid “dog leg” from happening. Stabilizers can also increase the drilling speed and reduce the drilling cost.


Features

•Permit increased weight on the bit for increased penetration without the deviation problems associated with high weight on the bit

•Decrease buckling and bending problems due to increased weight on the bit

•Reduce drill collar friction and torsional fatigue

•Ensure maximum circulation by milling the fluid passageways between the stabilizer blades to neck size, which retains a safe margin of strength and excellent fluid passage—the result is superior hydraulics that pays off in maximum bit penetration rates

•Ensure the long-term performance of your stabilizers with carbide-surfaced blades that keep the hole and drill string centered and on track. Cougar places plenty of extra carbide on the leading edge of each blade, where stabilizers typically wear the most.


Technical Data

OD stabBody ODIDFishing neck lengthCrown lengthBlade taper angleOverall lengthTop connectionBottom connection
TopBottom
3 3/4''3 1/8''1 1/4''26''10''30o15o58''NC 23 BNC 23 P
3 3/4''3 1/8''1 1/4''26''10''30o15o58''NC 23 B2 3/8 REG B
4 1/2''3 1/2''1 1/2''26''10''30o15o59''NC 26 BNC 26 P
4 1/2''3 1/2''1 1/2''26''10''30o15o59''NC 26 B2 3/8 REG B
5 1/2''4 3/4''2''30''12''30o15o68''NC 38 BNC 38 P
5 1/2''4 3/4''2''30''12''30o15o68''NC 38 B3 1/2 REG B
6''4 3/4''2''30''12''30o15o69''NC 38 BNC 38 P
6''4 3/4''2''30''12''30o15o69''NC 38 B3 1/2 REG B
7 1/2''6 1/2''2 13/16''30''16''30o30o72''NC 46 BNC 46 P
7 1/2''6 1/2''2 13/16''30''16''30o30o72''NC 46 B4 1/2 REG B
7 7/8''6 1/2''2 13/16''30''16''30o30o72''NC 46 BNC 46 P


Non-rotating stabilizer

Non-rotating stabilizer (rubber sleeve stabilizer) is able to avoid blade wear and wall damage during drilling operation. The non-rotating stabilizer consists of mandrel, copper washer, rubber sleeve, spacer sleeve and self-locking lower sub.

During drilling, the non-rotating stabilizer transfers the torque by means of mandrel. The rubber sleeve is sliding and moving relative to the mandrel and it plays a role in stabilizing the well. A locking clutch (self-locking lower sub) will help to avoid sleeve rotation during washover operation.


Technical data – Non-rotating stabilizer

Sleeve Mandreloverall
Length
(mm)
Product
Code
Length
(mm)
O.D.
(mm)
Blade
Qty
I.D.
(mm)
Fishing O.D.
(mm)
Connection
380Φ155 4Φ44 Φ121 NC38 1638W0900301
380Φ157 4Φ44 Φ127 NC38 1638W0900401
500Φ214 4Φ71 Φ165 NC50 2013W0901001
500Φ220 4Φ71 Φ165 NC50 2013W0901201
500Φ255 4Φ71 Φ165 NC50 2013W0901601
500Φ304 4Φ76 Φ203 6 5/8 REG 2000W0902001
500Φ310 4Φ76 Φ203 6 5/8 REG 2000W0902101
500Φ313 4Φ71 Φ165 NC50 2013W0902103
500Φ371 4Φ71 Φ197 6 5/8 REG 2013W0902201
500Φ374 4Φ71 Φ203 6 5/8 REG 2013W0902203
520Φ405 4Φ76 Φ241 7 5/8 REG 2045W0902301
520Φ430 4Φ76 Φ241 7 5/8 REG 2045W0902401
520Φ444 4Φ76 Φ241 7 5/8 REG 2045W0902501
600Φ558 4Φ76 Φ241 7 5/8 REG 2130W0902701
690Φ711 5Φ76 Φ241 7 5/8 REG 2210W0903401


Technical data - Integral Blade Stabilizer

Max. pressure
drop
Working torque Max. torque Output powerWorking WOB Max. bit weight Weight Length Max.tosrtqaureting
psi Mpa lb.ft N.m lb.ft N.m bhp kW kb kN lb kN lb kg ft m kN.m
4923.39486668935466031320649227.812.3816
4923.3910314014619811888031760649347.812.8316
4923.391842502603531612110042200875659.283.635
4923.392823823985402821264054400101438411.813.662
6564.5228038039653727202640124400201859811.814.295
6564.52432585610827382835201255002521611613.784.295
6564.525617607921074382835201655002525611613.784.2146
8195.655597587901071544044001677003525618313.785190
4923.396969439831333322444002077003540318016.44.9189
4923.3972297910201383322444002077003539718016.084.9236
8195.6511741592165822487657660030121005539723216.085.38245
8195.659201248130017627657660030121005551123217.655.38398
10657.3511961622169022919873660030121005551127517.656.38312
11477.9112171650172023318059770035176008060629720.935.45406
4593.16730990103213993828770035176008065524817.884.55413
9836.78106314411502203615011211000502200010054746114.936.3248
6564.52170823152412327010075110005022000100101646120.656.3360
8195.65213428943015408712593110005022000100101653120.657.12579
6564.52200627202833384110075110005022000100117146123.366.3723
8195.65250834003542480212593110005022000100101653120.657.12680
11477.912538344035844859175131110005022000100117153523.367.2850
6564.5223483183331644967254110005022000100117946123.626.3860
8195.653913530555277494179133176008035200160101696420.657.65796
8195.654696636666338992179133176008035200160212596425.17.651326
8195.6539135305552774941791331760080352001602125105525.17.651592
8195.6546966366663389921791331760080352001602326105525.17.651326
13119.04375750935306719434425722000100374001702326131525.19.91592
11477.915976810284421144530122422000100374001702899127332.489.221273
8195.65512369467236981121516022000100374001702806110530.258.322026
9836.786148833586841177325819222000100374001702436127327.39.221736
8195.656261848888441199021516022000100374001702806110530.258.322084
9836.78751310186106121438825819222000100374001702436127327.39.222122
9346.44793310756112061519224518322000100374001702806131530.259.92546
12298.48772710476109141479732224022000100374001702899131532.489.92689
8195.656367863389941219321516037400170550002502899164832.488.372619
6564.527074959099911354625819337400170550002503633164827.468.372158
8195.6571429683100881367723317437400170550002503633164827.468.372398
8195.65939112732132651798532324139600180660003003633164827.468.52421
8195.65750410173105991437032324139600180660003003633192827.898.53183
8195.65939112732132651798532324139600180660003004251192827.898.52543
9836.78986713377139371889551638548400220792003304251302027.8910.73183
6564.52929412600131271779734425748400220792003306658245735.18.73344
9836.781394118900196912669651638548400220792003305417302028.5410.73150
6564.521295417562182972480634425748400220792003306658245735.18.74725
8195.651304417684184242497843032148400220792003305417275728.549.74390
9836.781565221221221092997451638548400220792003306078302031.8210.74421
5904.0710751145761518620589387289660003001237505506658344535.19.85305



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