tenaris-SuckerRodsBrochure

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Sucker RodsGeneral API and Premium Products


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Tenaris produces the whole

API sucker rod line, which is

supplemented by thePremium products line, to

meet special service

conditions such as high

loads, corrosive

environments, and excessive

friction, among others.

Manufacturing complies

with API Specs 11B and Q1.

Tenaris’s quality system has

been awarded with ISO 9000

and API 11B certifications.

Moreover, this plant

manufactures a special

product line to work in

Progressing Cavity Pumping

(PCP). Along with its

products, Tenaris provides

related services andspecialized technical

assistance through a skilled

team of professionals to

provide assistance dur ing

field operations.

Designs for mechanical and

PCP sucker rod strings, lab

failure analysis, integral

intervention analysis and

field diagnosis, field

interventions leveloptimization, and special

products development are

some of the technical services

provided by Tenaris to its

customers.

In addit ion, Tenaris provides

the technical support of

metallographic labsspecialized in failure

analysis.

Through our steady

commitment to add value via

logistic services, we provide

our customers with just-in-

time integral material

programs. Tenaris offers its

customers such services as

new and used material stock

management, well delivery

and inspection, and used

material recovery, through

multiple Service Centers

located around the world.

Products and ServicesTenaris manufactures special sucker rods to serve every kind of demand, and

provides full installat ion and t echni cal support solu t ions as necessary fo r

running and operation.



A PI & Prem ium Rod sBot h t he API and Premium rod lines are manuf actured

under a stri ct qualit y assurance system in compliance

w it h ISO 9000 standards and cert if ied by API.

Both API and Premium rods

are manufactured from top

quality steel rods.

During the manufacturing

process, all rods are

straightened and inspected

by a battery of non-

destructive control

equipment.

Before forging, the ends are

heated in induction

furnaces.

Then, rods are inspected

and thermally treated in an

integral manner in

customized furnaces to

induce uniform mechanical

and metallurgic properties all

along the rod length.

Once the rods have beenthermally treated, through a

shot pinning process their

external fibers are

compressed, which improves

fatigue resistance. Prior to

machining, the rod ends are

inspected in a customized

designed bench. The

machining and threading

processes are performed in

state-of-the-art CNC

equipment, which results inan excellent surface finishing

of joint seals. Threads are

obtained by a cold rolled

process, which ensures a

higher collapse resistance.

Finally, prior to packaging,

rods are protected with an

oil-soluble paint whichprevents oxidation during

transportation and storage.

High strength Premium rods

undergo different thermal

treatments based on the

grade in question, in order to

get a metallographic

structure and mechanical

propert ies as specified in

each case.



M ECHA NICAL PROPERTIES AN D CHEM ICAL COM POSITION

API GRAD EC GRA D E K GRA D E D GRA D E PREM IU M VA R.

C K D CA RBO N D A LLO Y KDESPECIAL PLU S U H S-N R SPECIA L

SPECIAL GRADES

THERM AL TREATM ENT

Grade C Sucker Rod

Designed for low and

medium loads in non-

corrosive or effectively

inhibit ed wells.

Manufactured with 1530

Mod steel.

Grade K Sucker Rod

Designed for low and

medium loads in corrosive

wells, which are

recommended to inhibit.

Manufactured with AISI

4621 Mod steel.

Grade D Carbon Sucker Rod

Designed for moderat e

loads in non-corrosive or

effectively inhibited wells.

Manufactured with 1536

Mod micro-alloy steel.

Grade KD Special Sucker

Rod (Critical Service)

Designed for moderate to

high loads in corrosive wells,

which are recommended to

inhibit. Manufactured with

AISI 4320 Mod steel.

Grade D Alloy Sucker Rod

Designed for high loads in

non-corrosive or effectively

inhibited wells.

Manufactured with AISI

4142 Mod steel.

YS (Ksi) 60 M in . 6 0 M in . 8 5 M in . 8 5 M in . 8 5 M in . 11 5 M in . 1 15 M in . 1 15 M in .

UTS (Ksi) 90 -11 5 9 0-1 15 1 15 -14 0 11 5-1 4 0 1 1 5-1 40 14 0 -16 0 1 4 0-1 60 1 40 -1 60

Norm alized No rm alized Norm alized No rm alized No rm alized Norm alized No rm alized No rm alized

Tem pered Fo rced co o lin g Tem p ered Tem p ered Su perf . Tem p . Tem p ered Tem p ered

M ECHA NICA L PROPERTIES

A PI Sucker Rods

Steel 15 30 M 4 62 1 M 1 53 0 M 4 1 42 M 4 32 0 M 15 30 M 4 33 0 M 4 13 8 M

C 0.3 1-0 .36 0 .1 8 -0 .2 5 0 .3 1 -0 .3 6 0 .4 0-0 .45 0 .18 -0 .2 4 0 .3 1-0 .36 0 .3 0-0 .3 5 0 .38 -0 .4 3

M n 1.4 0-1 .60 0 .7 0 -1 .0 0 1 .4 0 -1 .6 0 0 .7 5-1 .00 0 .80 -1 .0 0 1 .4 0-1 .60 0 .7 0-0 .9 5 1 .10 -1 .4 0

S 0.0 25 M x. 0 .0 2 5 M x. 0 .0 2 5 M x. 0 .0 25 M x. 0 .0 25 M x. 0 .0 2 5 M x. 0 .0 25 M x. 0 .0 25 M x.

P 0.0 25 M x. 0 .0 2 5 M x. 0 .0 2 5 M x. 0 .0 25 M x. 0 .0 25 M x. 0 .0 2 5 M x. 0 .0 25 M x. 0 .0 25 M x.

Si 0.2 5-0 .40 0 .1 5 -0 .3 0 0 .2 5 -0 .4 0 0 .1 5-0 .35 0 .15 -0 .3 5 0 .2 5-0 .40 0 .1 5-0 .3 5 0 .20 -0 .4 0

N i 0.1 5 M x. 1 .6 5 -2 .0 0 0 .1 5 M x. 0 .2 5 M x. 1 .15 -1 .5 0 0 .1 5 M x. 1 .6 5-2 .00 0 .30 M x.

Cr 0. 2 M x. 0 . 2 M x. 0 . 2 M x. 0 .8 0-1 .10 0 .70 -0 .9 0 0 . 2 M x. 0 .8 0-1 .0 0 0 .60 -0 .9 0

M o 0.0 5 M x. 0 .2 0 -0 .3 0 0 .0 5 M x. 0 .1 5-0 .25 0 .20 -0 .3 0 0 .0 5 M x. 0 .2 0-0 .30 0 .25 -0 .3 5

V 0.1 0-0 .15 0 .1 0 -0 .15 0 .03 -0 .0 7 0 .1 0-0 .15 0 .03 5 -0 .0 70 0 .04 -0 .0 7

N b 0.025-0 .045

Cu 0.2 5 M x. 0 .2 5 M x. 0 .2 5 M x. 0 .2 5 M x. 0 .2 5 M x. 0 .2 5 M x. 0 .2 5 M x. 0 .2 5 M x.

Diff erent g rades and

materials are presented,

based on t he load t ype

and corrosion degree of

the wells where they

wil l be used.

The values on this brochure are f or ref erence only, and Tenaris reserves the r ight to change them based on th e intern al specifications wit hout any advance noti ce.


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Normalized and Tempered (UHS-NR) Ult ra High

St reng th Sucker Rods

The new UHS-NR sucker rod is one of the alternat ives

available for the H igh Strength line.It is a rod manufactured in AISI4330 Mod. alloy steel, with

Nor malized and Tempered thermal treatment above API

standards, in order t o reliably increase extraction depths

and flows using mechanical pumping.

Designed to work with very high loads in deep wells, effec-

tively inhibited against corrosion.

Higher mechanical str ength , fit fo r high l oads

and deep w ells.

PremiumSucker Rods

High St rengt h Premium

Sucker Rod, CriticalService

This is the other alternat ive

in high strength rods. It is

made of a steel specially

developed to provide the

high mechanical strength

required to decrease

hydrogen embrittlement

susceptibility (SSC). T his is

a phenomenon increasingly

present in wells under

secondary recovery bywater injection.

It is an alloy steel,

including chrome-

molybdenum, among

others, but nickel-free. Its

thermal treatment is

normalized and t empered.

Recommended for service

in deep wells with high

loads and, to improve

performance, inhibition is

recommended.

Plus Sucker Rods

The PLUS sucker rod isanother alternative for high

loads. It is a different

product, where an induction

hardening superficial thermal

treatment is performed via a

high frequency coil.

After the heating stage,

hardening is performed via

fast cooling with water under

pressure. T his process

generates a binary structure,where the external surface is

hardened and the core

remains not hardened.

As the external layer has

lower density (martensite)

than the core, a permanent

state of peripheral

compression is generated,

which is the determinant

factor of high fatigue

resistance. Moreover, this

superficial compression

increases hydrogen

embrittlement resistance.

Recommended for services in

deep wells and/or with

effectively inhibited high

flows.



A wide range of t op quality products to

supplement pumping strings.

Accessories

Class T and Spray Metal

Couplings

Couplings are manufacturedfrom Tenaris seamless steel

tubes. The Class T and Spray

Metal (SM) Couplings

combine top quality steel

with a cold rolled thread,

which increases fatigue

resistance.

SM couplings provide higher

abrasion and corrosion

strength. Spray Metal is a

superficial hardening processwhere a nickel, chrome,

boron and silicon based

powder is applied on the base

metal and then melted. The

result is a hard, dense and

uniform surface with a very

low friction factor and high

corrosion strength.

The couplings machining is

performed in modern CNC(Computer Numeric

Control) lathes.

For both types, combination

couplings are produced for

different diameters

(subcouplings) and polished

rod couplings.

Pony Rods

Following the quality

requirements applicable torods, for each steel grade

there are pony rods available

in 2, 4, 6, 8 and 12 feet.

Other lengths are also

manufactured based on

specific customer's

requirements.

Premium High Strengt h Couplings

This product was developed to address customers' needs tosolve the growing problem posed by fatigue breakage in

couplings, mainly in wells using high strength rods and SH

(Slim Hole) couplings.

Couplings, manufactured from alloy steel with hardened and

tempered thermal treatment, were designed to bear high loads

during well service. Use along with Grade D sucker rods

under h igh loads is recommended.

Besides alloy steels, Tenaris provides meta llic and

metallic+epoxy Lines, specially designed for highly critical

services in severely corrosive environment s and high loads.

Productsfor CorrosiveServices

v Couplings with top quality m etallic seal rugosity, flatness and

perpendicularit y.


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Rod Guides

Tenaris avails of a wide range of centralizers and

materials, both for mechanical pumping and PC pumping,which provide an effective wear control.

Centralizers are directly injected on rods with the

necessary grip to avoid displacing and to become an actual

tubing and rod protection.

Combined with rod ro tato rs, they also allow for an

effective control of paraffin. It has been proven that use in

wells significantly increases tubing and rod life cycles and

reduces their wear, consequently diminishing pulling

interventions and other operating costs.

Polyamide injected centralizer fit for working in up to 80

degrees Celsius. Its improved geometry reduces load loss and

maximizes protection.

v

Polished rods

With an optimal surface

finishing to ensure anappropr iate sealing in the

well bore packaging,

Tenaris offers several t ypes

of polished rods with low

and medium alloy steels

(AISI 1040, AISI 4140, AISI

4621).

For corrosive services,

stainless steel in AISI 304

and 316 series are available

besides steels with hard

chrome and Spray Metal

coat ings. All choices are

manufactured in 6 to 36

foot length and 1 1/4" and 1

1/2" diameters, based on

customer's requirements.

Sinker Bars

This element is necessary to

maintain an optimizedstring design, so as to avoid

premature rod failures. It is

very effective to reduce pin

and coupling fishings

generated due to the effect

of string compression.

Sinker bars a re located at

the end of the string, over

the pump, in order to keep

it fully under traction loads

during pumping cycle. Its

implementation minimizes

compression generated on

rods during the pumping

upward stroke.

They are manufactured in

compliance with API

standards in 11/4" to 2"

diameter in steel upon the

customer's request, with a

65,000 psi to 90,000 psi

breakage strength. A

proprietar y designalternative, 11/8" pin of

7/8" for 2 7/8" tubing wells

for high flow volume, is

available.

Specif ic solut ions to enhance rod string duration

and performance.

Special Products



Version 02 / April 2003. Tenaris Market ing Communicat ions

Tenaris. All rights reserved. [email protected]

Tenaris has produced this brochure for general information only and in no way will assume responsibility or liability for any loss, damage or injury resulting from the use of information and data herein.

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