Sucker_Rod_Pumping_Short_Course

CP
TP
Dohole Gas Sepaato DHGS):
Suke Rod Pupig Shot Couse
Calulated Poduio:
BFPD d SPM SL
2
0.1166
p DH p
%
RT
− P : ≈ . fo odeate ea/slippage.
− C P : Pup Costat
Fluid Load o Pup F O ) & Pup Itake/Displaeet P. PIP/PDP):
2
FO
A P = dP
( PDP PIP)
Pgr
4
hD
, FL
PIP
CP1 0.433 SGO
GFLAP
40,000
PDP TP 0.433 SGO / W
hSN
Note:
Ol use TVD depths ith hdostai alulaios if ell is ot eial.
I stead-state poduio, ol oil o ate esides aoe the pup i the aulus.
Fo a puped of ell, as the SN depth ieases the ΔP Pg ieases—ad the poteial
fo gas itefeee oses due to the highe opessio euied to adit luid ito
the tg. Good gas sepaaio ad loge SLs a iigate this pole.
Ho to Aoid Gas Itefeee:
. Desig the DHGS ad its plaeet so that gas atuall passes the Fluid Et Pots o the Mud Aho.
- Best ahieed supig the pup. If pupig aoe pefs, it ight e eeiial to deetalize the DHGS set the TAC -
jts aoe SN, & sie o ell is % eial: the gas ill ide the high side hile the DHGS & liuid oup the lo side.
. Desig the DHGS so the doad luid eloit is sloe tha the Gas Bule Rise Veloit: alloig the gas to esape.
. If the gas aot e adeuatel eoed look to istall a speialt pup that is ete euipped to pass gas.
- Maagig gas: lose pup spaig & log SL; hold oe TP to peet gas fo headig the top of the tg d.
. Sad-Sees o othe fiioal estiios a stai the gas out of soluio leadig to gas itefeee.
. I etai situaios depedig o the poduig zoes, TAC plaeet, & oe, the TAC—i ojuio / a olu
of luid poidig ak-P.—a otle up high-pessue gas elo the aho leadig to seee gas itefeee.
Gas Aho
www.DownholeDiagnostic.com
TV
h FL
PDP
Chae
SV
PIP
PBHP
h D,FL
Note: Noelatue tale ith uits fo all igues
& euaios gie o the last page.
Ho to Desig DHGS:
− Eiiet gas sepaaio euies that the doad luid eloit i
the Quiet )oe e less tha the gas ule ise eloit.
− Gas Bule Rise Veloit ous due to the desit difeee etee
gas & liuid ad is popoioal to the diaete of the ule.
− Idust Rule of Thu: a / gas ule ises at ih/se. Thus,
desig to ahiee a luid eloit < i/se & the sloe the ete.
− The est sepaaio a e ahieed supig the pup.
− To ipoe pefoae: iease X-Se Aea & edue the
ls/ie pupig ate opesate ieasig u-ie.
Mud Aho
Dead FL
gas fee)
Net Lit h Net )
GFLAP
Gas Fee Liuid
Aoe Pup
Et Pots Doad Fluid Veloit i DHGS:
2
d
p
SLDH
SPM
Vfluid
2 2
Quiet )oe
60IDMA
ODGA
Wat < i/se.)
o
BFPD C SPM SL
%
Copaiso of
X-Seioal Aea
da to popoio
p DH p RT
/ GA
-/ MA
GA
-/ MA
OD
ID
GA: Gas Aho alas listed ID +
/" GA . .
" GA . .
-/" GA . .
-/" GA . .
MA: Mud Ahos Mothe Huad
-/" .# . .
-/" .# . .
-/" .# . .
Casig as ID of Mud Aho
-/" .# . .
-/" # . .
" # .
+ GA: API Lie Pipe stadad eight.
. MA
Aea of Quiet )oe, i : . . .
.
Suped Pup ith GA i Csg, i :
Pup
1-1/16" 0.132
1-1/4" 0.182
1-1/2" 0.262
1-3/4" 0.357
2" 0.466
2-1/4" 0.590
Dohole Pup Opeaio:
− Up-Stoke: the PIP hages the pup hae full of luid.
− Do-Stoke: the TV does ot ope ad thus o et luid oed uil the
luid i the Pup Chae is opessed to a pessue >PDP.
− Due to its opessile atue, fee gas i the pup euies the pluge to
tael uh futhe ito the do-stk efoe the gas eoes opessed
eough >PDP fo the TV to ope. Addiioall, as the pluge ises at the stat
of the up-stk the fee gas epads to ill the e hae olue eated
the aaig pluge. This peets the pessue i the hae fo apidl
doppig & eessitates the pluge tael futhe efoe P Chae < PIP so the
SV ill ope to adit e luid ito the pup. [see Gas It. ad et page]
. i -/ Csg; . i -/ Csg
© Dohole Diagosi | Midlad, TX. Fee fo ualteed distiuio. §.
C P
Deetalized DHGS: he a
ooked hole has its eeits.

Pup & Do
@
Bot. of Stk
Up-Stk
@
Top of Stk
Do-Stk
Sufae Cad
SL Top
Load,
ls.
Wae
Euaio
SL Bot
SV Ope)
TV Ope)
F O
SL EPT
Stoke Legth, i
Eaple Well: , ell / % FG Rods ith
of U-Ahoed Tg slats pup ad.
SL DH
Daoete Do) Cads:
− Sufae Cad: displas the load o the Polished Rod PR oe a pup
le. The ad shape is a fuio of eethig PPU geoet, SPM
SL, pup depth, od stig desig ad elasiit, luid load o pup, et.
− Wae Euaio: atheaiall odels the elasi atue of the od stig
assuig a dohole fiio fato, & allos the Sufae Cad data to e
oeted to epeset hat is happeig at the pup pluge. A oe
sipliied—ut asolutel free—Rod Desig Pediie Poga solig the
Wae EQ is Ehoetes QRod & a e doloaded at .ehoete.o.
− Pup Cad: displas the luid load o the pup pluge F O oe a pup
le. The size ad shape of the ad idiate the opeaig odiios ad
pefoae of the pup.
− SL EPT : Efeie Pg Tael the oly pat that otiutes to oig
luid. The EPT is euialet to the peetage of the do-stk hee the
TV is ope luids oe fo the pup hae to the oto of the tg.
− SL DH : total dohole pluge stoke-legth elaie to the sg.
k tg
Itepeig Pup Cad Shapes:
Epasio
SL EPT
DH
Rods
Pup Cad
SL SL Stretch OverTravel
Ideal Cad: full ahoed tg, % liuid illage, &
pup i good odiio.
Slated: Uahoed tg idiated the ad eig
slated at the k tg Tuig Spig Costat.
Fluid Poud: sudde ipat load. Ieiiet ad e
daagig to pup, ods, tuig, ad GBo. The ipat
load auses od uklig & od-o-tg slap.
Gas Itefeee o Gas Poud): a oe gadual load
tasfe as gas opesses peuai ushioig.
Geatl edues the pupig eiie ad idiates
the ell is ot puped of ≈Fluid# @ a highe PIP.
Hole I Bael: as the oto of the pluge passes the
hole ao the hdostai pessue is eualized
aoss the pluge ausig the F O to e lost.
Wo Pup: slo to pik up & uik to elease the
luid load, due to: TV leakig o pluge/ael ea.
SL
Rod Steth
© Dohole Diagosi | Midlad, TX. Fee fo ualteed distiuio. §.
Tg Beathig
SV: Stadig Vale
TV Taelig Vale & Pg Pluge
Pup Chae: Volue etee SV & TV
Cles of Pup Cad:
@: Boto of Stoke: Both ales iiiall losed.
#-: Epasio: Pg oes up pikig up the luid load, F O . As F O tasfes
fo tg to ods, the tg u-stethes & oes ith the Pg. Ua-
hoed tg, eessie slippage o gas epasio iease this stage.
#-: Itake: SV opes @ # to adit e luid. No: ods a the full F O .
@: Top of Stoke: SV loses as Pg stops aaig the hae.
#-: Copessio: Pg egis do. As F O tasfes fo ods to tg the
uahoed tg stethes. TV opes @ # he P Chae > PDP.
#-: Dishage: Pg oes though the luid to epeat the le.
The Causes of Ioplete Pup Fillage:
. Puped Of: Pup Capait > Reseoi Ilo.
. Gas Itefeee: gas opessiilit itefeig
ith the oal atuaio of the SV & TV.
. Choked Pup: estited ilo to pup plugged
sad-see o eessiel high luid fiio.
Copessio Raio of the Pup:
− Athig that ieases the opessio aio ipoes the pups
ailit to opess the luid i the pup hae & iiizes the
peetage of the dohole stoke lost to gas opessio.
− Loge SLs daaiall help, ut iiizig the Usept Volue is
the ost uial & is ahieed : lose pup spaig alog ith
good pup desig tpe of pup, high-opessio ages, et..
Swept Unswept Volume Vol @ Top of Stk
Comp Ratio
Unswept Volume Vol @ Bot of Stk
Pup Cad Itepetaio:
The Pup Cad ol epesets the load o the pluge ψ : so o od
steth o athig aoe the pluge is displaed o it.
The ad shape idiates ho the pluge piks up, holds, ad eleases
the luid load eah stoke.
Keep i Mid: the TV & SV ae oe-a hek ales & the ol ope
he the pessue elo eoes geate tha the pessue aoe.
The ke to itepetaio:
The ad shape depeds ol o ho the pessue hages iside
the pup ael elaie to the pluge oeet.
− A slo load loss o the do-stk idiates the gadual elease of F O :
due to gas opessio o tuig eathig.
− A sudde loss o the do-stk idiates luid-poud as the load
tasfes alost istatl as the pluge ell-lops ito the luid.
− O up-stk, a gadual load pik-up idiates the pups Chae-P. is
ot uikl doppig to PIP, idiaig: tg oeet uahoed,
luid slippage o pup, o gas epasio—o all oied.
ψ Note: eept fo DH fiio assupios, this is tue fo a hoseshoe o dout
load-ell istalled etee the Bidle & PR Clap. Fo a easos, ost
Dos ool used Well Tehs ae the uik-istall PRT Do Polished
Rod Tasdue that easues the adial stai hage i diaete of the PR
eah stoke & uses this data to ak-alulate the F O —& these Pup Cads a
soeies e slightl ilted due to sufae isaliget & edig of the PR.

Suke RP Euipet Desig: Cosideaios
Euipet Desig:
− The pupig sste should e desiged fo the log-haul.
− Dot oedesig. If the ell is epeted to pup-of i -oths—at hih
poit the poduio a e aitaied ith a sloe SPM & dosized
pup deeasig the loadigs—geat saigs a e iued
tepoail full taig a salle GBo o Gd D Rods s HS Rods fo those
-oths istead of upsizig.
− Loge SL’s ad sloe SPM is pefeale. Adatages ilude:
− With a Loge SL: Rod-steth, gas opessio, o uahoed tg
eathig ill osue a salle peetage of eah stoke.
− Log SLs iease the opessio aio & the ailit to pup gas, &
euie fee do-stks {od uklig} to ahiee the sae pod.
− Slo SPM edues: uklig tedeies & od-o-tg ea, od
loadigs & the ipat foe of the pluge if it does #Fluid o tag.
Rod Desig:
Suke Rods ae desiged to ol e opeated i tesio hee K-as. Rods
opeate i a pulsaig tesio alog eah stoke as the F O is piked up &
eleased—& as a esult of the stess eesal les—the hae a liited u
life. The API Modiied Gooda Diaga MGD is the idust desig guide
that that atepts to uaif a ods esiated u life ased o the Ma &
Mi stess loadigs the od ill epeiee ude the opeaig odiios.
Usig this guide, od loadigs ae epoted as Peetage of Gooda. I a
ooosie eioet, a steel od opeaig at % MGD Loadig is
epeted to hae a u-life geate tha × les [o SPM pupig fo
~ eas, hile FG ods @ % MDG hae a epeted >. × les @
°F. As the MGD loadig deeases elo %, the u-life ieases epo-
eiall. Sie the MGD loadig alue does ot take ito aout oosio [o
uklig, ishadlig daage, et.] the MGD u-life ust the e de-ated
a Seie Fato + elated to the oosiit of the dohole eioet.
Fieglass Rods: AKA, FRP Rods: Fie Reifoed Plasi
− Weigh % less & ae × oe elasi tha steel, ae oosio esistat ot
de-ated fo oosie eioets, hae a udesize pi alloig FG
ods to e used i -/ tg, et. & hae ehaial stegths opaale
to HS-steel ods. Thei epeted u-life if tepeatue depedet.
− FG elasiit is adatageous fo fast pupig ells ith high luid leels
leads to pluge Oe-Tael. Thei elasiit is disadatageous fo sloe
pupig ells ith lage F O SL DH is lost to od-steth. This is h o
puped-of FG ells, dosizig the pup ote does ot sustaiall edue
poduio: the dosized d p ieases the DH SL due to salle F O .
Steel Rods:
− Rod Gades C, K, D, & HS: seleio should e ade ased o the
ehaial loadigs o eah tape ad the dohole oosiit.
− Gd D ods: DC ao, DA allo, & DS speial.
− Difeet heat teaig poesses eate difeet ehaial popeies.
Geeall, as od stegth is ieased the od eoes oe susepile to
oosie atak & ishadlig daage iks & digs that ause Stess
Rises & eoe the uleaio poit fo futue oosie atak.
− Sike Bas: ae desiged to aso the DH opessie foes & keep the
othe ods i tesio. Thei lage OD distiutes side-loads fo uklig
foes oe a lage aea—so the do ot ut as iisiel ito the tuig.
Rod Boes: AKA: Rota-Coeted, Shoulde-Fiio-Held Coeios
− The ake-up toue heked Ciufeeial Displaeet puts tesio
i the od pi ad fiio loks the o to the fae of the pi shoulde. This
pe-stess put ito the oeio ust e geate tha the up-stk dai
od load hih atepts to pull the oeio apat.
Pup:
− Tg Pups: lagest oe pups d Pg just a / < ID of tg.
− Rod Iset Pups, -tpes: ased o hee the hold-do is loated top
o oto & hethe the ael is Staioa o Taelig.
− Fist efots should e ade to elude gas & solids fo eteig the pup
efoe esoig to a pup desig that atepts to aoodate the.
− A faoite pup of ous is the S-HVR -Stage Hollo Vale Rod. The uppe
TV o the HVR holds ak the hdostai pessue alloig the loe TV to
oe easil ope he pupig gaseous luids. It also distiutes luid dis-
hage aoss the hole SL geatl iiizig Pup Dishage Leaks, & the
hollo ale od is oe sif & less ilied to ukle.
Tuig & TAC: Tuig Aho Cathe
− Uless ahoed ith pe-tesio, the tuig ill steth ad otat
eah stoke as the ods pik up & elease F O . This eathig deeases
the pupig eiie eause ol the et elaie oeet of the
pluge to the pup ael otiutes to luid displaeet.
− With uahoed tg: o the do-stk, as the ods stat do & egi
to elease the F O oto the tg the tg stethes aodigl. O the up
stk, the tg eoils & heliall ukles [appig aoud the stethed
ods] ausig the pup ael to iiiall oe upad / the pluge.
− Salle diaete pups ill ause less tg eathig. I a puped of
ell ith -/ tg: -/ pup . s -/ pup .
− E. fo Tg Steth o to alulate the Depth to Fee-Poit stuk pipe:
Tbg Stretch ktbg Ltbg FPull
ktbg
0.4 / A
© Dohole Diagosi | Midlad, TX. Fee fo ualteed distiuio. §.
tbg,x sec
− Note: Steth ihes; L tg i s of t; F Pull s of #s.
− k tg = Steth Costat: is ot afeted the gade of steel,
ol the -se aea gie o p. o use aoe euaio.
− L tg = Legth of tg eig stethed the foe, F Pull .
− Pope TAC Seig Poedue: ate let-had tus o uil it toues
up oiue to hold the toue as the opeato alteates pts tesio
& opessio efoe eleasig the pipe ehes this oks the
toue dohole & full egages the TAC slips so it ill ot tu loose.
+ Geeall Aepted Seie Fatos fo Suke Rods:
Eioet Gd C Gd K Gd D HS Rods
No-Coosie . . . .
Salt Wate . . . .
HS . . . .
High-Stegth Rods: due to thei heighteed susepiilit
to oosio, a od pupig guus eoed loadig
Gd D ods up to % MGD Loadig usig a . Seie
Fato efoe esoig to the use HS ods.
Load o the Polished Rod PR):
F
W F F
FPR
W F
PR, Up Stk rf O Dynamic/friction
, Down Stk rf Dynamic/
friction
− W f = Weight of ods i luid opaed to W : eight of ods i ai.
− I fesh ate, FG ods eigh % of W & steel ods = % of W .
− Dai Loads: esult fo PPU kieais & aeleaio foes.
− Fiio Loads: esult fo od-o-tg egageet, luid fiio
isous dag, paai sikig, stuig o fiio, & pup
fiio AKA pluge dag.
− Pope Coute-Weight Balae euies alaig the aeage load
o the Polished Rod, thus:
CW Bal W 05
. F
Laoato Measued Loads to Bukle Rods:
− Test oduted ith ods i ai
Log & Beet, .
− Noie the lage difeee ee
etee the / ad / ods.
Euaio fo FG Rod Spaig: Ihes Of Boto
9
h 2
h
FG Spacing
1,000 1,000
FG _ Rod SN
Rod Foe to
Dia. Bukle
/ #
/ #
/ #
− Spae fo ee of FG Rods & fo ee to SN.
− Slo stokig uits a spae lose tha the alulated ihes.
− Fo pope pup spaig espeiall / FG ods due to thei
elasiit, load the tg ith luid pio to spaig the pup out.
rf
O

Failue Peeio
Desig Cosideaios:
− O . K-as, u / SH-oes . OD istead of FH-oes. This
eates a uifo diaete oe the a seio & speads out a side
loadig o the tg oe a lage aea, iiizig stess Stess = F/Aea.
− Istall ooized EduAllo tg o Pol-Lied tg i otoost jts
hee ost tg leaks ou.
− Spa Metal Boes: oosio esistat ad ade fo highl eosie/
oosie eioets. The SM oaig is oe aasie o the tg
eause the tg ill ea do efoe the o does as opposed to T-
oes hee the potudig edge ill ea out & ofo to the tg ID.
Pullig the Well:
− Ceate a Pe-Pull Pla: eie loaio of eet failues, latest ell tests,
ad FL/Do epots to see if DH euipet should e odiied.
− O st tg failue, sa the tg out of hole: to get a iiial od ea
poile o the e tg, & to hek heial poga piig.
− Duig a tg jo: otate ~ jts of fesh tg fo top to oto.
− Duig a od jo: a otate a steel po od ≥ SL to oto. This shits
all the oes up out of thei eisig ea taks to u o fesh tg.
− Root-Cause Failue Aalsis: Ideif the ause! Clea oosio deposits
of ith a ie ush/diesel, ut failed tg jts ope, disuss ith Cheial
Co. & take pitues to ilude i the pull epot fo futue efeee.
Opeaios & Moitoig:
− Stoke he log & stoke he slo—ad ath he ilo.
− Keep the pup ael full. Esue pope u-ie aliaig it ith a
FL Shot/Do Sue, a POC, ell tests, o hiig a good pupe.
− As the ell pups of, edue the SPM: this ipoes u-life, ipoes
dohole gas sepaaio, & is isuae eduig the foe of ipat
geeated if o he the pluge pouds luid o tags.
− Mi i ioide ith a luids itodued ito the ell. Bateial piig
a e the ost aggessie i dillig holes i ou ods & tg …& sg!
Fluid Leel Gu & Do:
− Fluid Leel & Do Sues ae oiasie diagosi tools that uaif
the ells Producig Perforace—i tes of the ells Poduio
Poteial ҉ eseoi dado & the Opeaioal Litig Eiie of the
od pupig sste ho eiietl the luid is eig lited to sufae.
− B itepeig the diagosi data i otet of the ell, poduig iei-
ieies a e deteted & oeted. The diagosi data las the foudaio
fo hih pudet opeaioal deisios a e ade & jusiied.
− Do’s: easue od/pup pefoae see Pup & Do page.
− Fluid Leel Gu: geeates a aousi ae pessue pulse that taels
do the ell, elets of oss-seioal hages i aea ollas, pefs,
TAC uil the ae eoutes the luid leel & opletel elets ak.
− The gus iteal iophoe eods the aplitude ad polait of the
eleios o a Aousi Tae ad allos the depth to the top of the
Gaseous Fluid Leel to e deteied.
− The suseuet Casig Pessue Build-Up Test allos fo the uaiiaio
of the MCFPD of gas poduig up the asig ad, oseueiall, allos
fo the deteiaio of the GFLAP Gas Fee Liuid Aoe Pup ad
BHP’s Boto Hole Pessues, like: PIP, PBHP, & SBHP.
− Polait of Aousi Releios:
SRP Opiizaio
Ojeies of Rod Pupig Opiizaio:
Full ahiee the ells aiu poduig poteial ith
iiu epeditue iludig ie & ateio.
Ho RP Opiizaio is Ahieed:
Good Euipet Desig: od/pup/PPU desig, gas
sepaaio, SPM SL, etallug, SN plaeet, et.
Euip. Istallaio: popel toue, aoid daagig, et.
Math: Pup Capait ≈ Reseoi Ilo.
Opeaios: Aoid Fluid#, Gas#, & Pup Taggig.
Cheial Poga: Both aie ad eaie.
Ispiaio: Field hads ust u ito the poga.
Chagig PPU SPM:
d
New
SPM
New
SPM1
d
1
− To hage the SPM the eisig oto
sheae size d & the oto shat
diaete easued o oelated ith
Fae Size o oto ust e ko.
− Die elts sit ~/ ithi the sheae
OD, thus a easued . sheae OD is eall a sheae.
− Fo a epaded list of fae sizes: .doholediagosi.o
− The sallest sheae size is . If the desied SPM ould euie a
sheae size salle tha look ito: upsizig the Bull sheae o
GBo, istall a jak-shat o a VFD Vaiale Feue Die, o
oside shoteig the SL. FYI: sheae is pooued shi.
2
q
WT
PBHPWT
PBHPWT
1 0.2 0.8
qmax
P P
Fae Size Shat Dia
T, T
T, T
T, T
T, T
T, T
T, T
T, T
-/"
-/"
-/"
-/"
-/"
-/"
-/"
Gas Itefeee o Gas Poud) & Fluid Poud:
− Gas Poud is esseiall Fluid Poud ut at a
highe PIP & ith oe opessile gas i the
pup. Gas# is just as ieiiet as Fluid# ut—
due the ushioig efet of the gas—it is less
destuie to the dohole euipet.
− Although less daagig, ells epeieig gas itefeee ae ot
ahieig aiu poduio due to the addiioal luid olu that
aot e puped do. At least ith Fluid#: ou ko ou geig
ALL the poduio & tig to get soe oe: ↄ
− Poudig is a shok loadig that idues the ods to heliall ukle as
the o out ad egage the tg alls. The foe of the ipat is
popoioal to: F O thus d P , the eloit of the pluge at the ie of
ipat, ad the ie duaio fo the load tasfe to ou.
− Gas o Fluid# i the iddle of the do-stk a e uh oe
daagig eause hee the pluge is at peak doad eloit.
− Fluid# a ote e deteted listeig fo GBo thuds, oto
speed hages, & athig fo the idle/Polished Rod to tith o the
do-stk . Hoee, fo sloe SPM o FG od-stigs it a e oe
diiult to ideif ithout the aid of a Daoete aalsis.
҉
Vogel’s IPR Ilo Pefoae Relaioship):
Wells Poduig Eiie o the Reseoi aio; WT: Well Test
P SBHP
Aousi Shot Geeated
TAC
Pefs
↑kik: Opeig
Fluid Leel
↓kik: Restiio
↓kik: Restiio
Tg Colla Releios
© Dohole Diagosi | Midlad, TX. Fee fo ualteed distiuio. §.
Fluid Leel Kik

Steel
Rods
Sike Bas
FG Rods
Stuk Pup)
Dia of Couplig Gd D Rods
Dia Wt i Ai X-Se Sli Hole Full Hole
θ Ma Shot
i l/t ψ Aea, i OD, i OD, i Te Pull, ls
/ . . / / ,
/ . . / / ,
/ . . / / ,
. . / ,
/ . . / / ,
Pi Size
/ . . / o /
/ . . / o / /
/ . . / o / /
/ . . / /
Not usuall a
oe.
/ . . / / *FG Ma Shot
Pi Size
Te Pull MS
/ . MS . MS / Math Pi Size - ,
to steel od
/ . MS . MS / - ,
diaete fo
. MS . MS / aailale - ,
/ . MS . MS o sizes. - ,
ψ Weight of oupligs ot iluded. The l./o Full Hole goes fo: .# / .# -/.
θ Ma Pull fo e ods ased o a sooth pull ot hek-jek. The load pulled at the top of eah
tape ust e oputed ad the pull should ot eeed the loest liit. De-ate / a S.F.
MS
Maufatue Speii: aeage alues gie eept the FG Ma Pull shos the age etee
the -pia aufatues. Ma Pull o FG Rods is liited the ed-iig oeio.
Rod, Tg & Csg Spes
I geeal, the API iiu stadads ae listed o this page
fo the ost oo gades of pipe used i the Peia Basi.
Idiidual poduts fo aufatues ight eeed soe of
the listed ehaial popeies. Cosult the aufatue fo
speiis & use a Safet Fato to de-ate used ods/tg.
Rod Mi Yield Mi Tesile AISI
Gade Stegth, psi Stegth, psi Desigaio
Gd C , , C--M
Gd K , , A--M
Gd D , , A--M
HS Rods , , A--MI
FG Rods , , /
Mi. Yield Stegth: the a stess the od a ea efoe
ieldig i.e. efoe the stess osses oe fo elasi
steth to plasi defoaio. Beod this stess the
ateial is peaetl elogated! use fo a stess als.
Mi. Tesile Stegth, T Mi : the stess that ill ause the
ateial to pull ito -piees. Depedig o the Ma &
Mi stess lutuaio epeieed a od duig the
pupig le the % MGD Loadig esides etee
-% of T Mi . As the i. stess o the do-stk
appoahes uklig zeo load, % MGD = % of T Mi .
Force
L
Stress Strain %
Elongation
Area
L
Tg
EUE)
Csg
Dia Weight Metal X-Se ID Dit OD of EUE Capait: Displaeet k tg , Steth
i #/t Aea, i i. i. Colla, i. ls/t
+ t/l *ls/t Costat
/ .# . . . a . . .
/ .# . . . . . . .
/ .# . . . . . . .
/ .# . . . . . . .
/
/
.# . . . . . / .
.# . . . " . / .
.# . . . . . / .
# . . . " . / .
# . . . " . / .
# . . . . . / .
# . . . " . / .
+ Note: t/l has ee ouded. *Displaeet ls/t fo EUE ope-eded tg iludes the disp. olue of upsets & oupligs.
Tg Joit Yield Stegth Cal:
E: -/ .# N-
X-Se Aea = . i
Mi Yield = , l/i
Force
80,000
1.304
Thus, the Mi. Foe to Yield
the Ne Tg = ,#.
Used Tg, API Bads
Colo
Bad
White
Yello
Blue
Gee
Red
Bod Wall
Loss
Bad Ne
-%
-%
-%
-%
Mehaial Popeies of EUE Eteal Upset Ed) Tg:
Tg Size
/
/
-/" .# -/" .# -/" .# -/" # -/" # " # " #
Tg Size
Capait: ls/t t/l ls/t t/l ls/t t/l ls/t t/l ls/t t/l ls/t t/l ls/t t/l
Tg/Csg Aulus
Tg/Csg Aulus
+ Tg Capait
Weight
Collapse Bust Ma Pull MakeUp To.
Gade
#/t Pessue, psi Pessue, psi to Yield, Ls. opi.), t-l
J- , , ,
.# L/N- , , ,
P- , , ,
J- , , ,
.# L/N- , , ,
P- , , ,
Tuig API Gade: Lete Gade—Mi. Yield Stegth i s of psi
Difeet heat teaig poesses & allos oie to eate the highe stegth gades
-/" . . . . . . .
-/" . . . . . . .
-/" .# . . . . . . .
-/" .# . . . . . . .
*Note: t/l has ee ouded to aid eo.
Buoa Foe: is eual to the eight of the luid displaed
the iesed ojet.
− ρ steel = l /t & ρ Fieglass = l /t .
− I Fesh Wt SG=.: FG eighs % & Steel % the W Ai .
W
Buoyant
W
Air
62.4
SG
1
Material
O/W
Capait Fato CF): fo a size hole o aulus i ls/t
− Set OD = if o oeti stig is iside the pipe.
− E: igoig upsets/oes, the C.F. etee -/ tg
ID=. & a stig of / ods OD=. is . ls/t.
© Dohole Diagosi | Midlad, TX. Fee fo ualteed distiuio. §.
eight aio
ID OD
CF
1029
2 2

Noelatue, API, & EQ’s
API Pupig Uit PPU) Desipio:
C D— —
a #
Ma SL, i.
a: PPU Tpe:
PPU Stutue Raig,
C: Cak Balaed s of ls.
B: Bea Balaed
# : GBo Toue, s of i-ls.
RM: Reese Mak
A: Ai Balaed : D - Doule Reduio GBo
M: Mak II gasshoppa
Note: PPUs that hae the Eualize Beaig esidig dietl oe
the GBo Cakshat ill use eual degees of ak otaio fo oth
the up & do-stoke. The eualize eaig is shited foad
toads the hose head o the Reese Mak & Mak II akig
thei up-stk % RM) & % MII) sloe tha thei do-stk.
Noelatue:
< o > Less tha o Geate tha. E: < .; A&M > UT
Δ Delta, epesets the hage i a uait
% Peetage use a faio: % = .
Eiie, faio % = .
ρ Desit, l./t t = . l/t
µ Visosit of Fluid, p
↑ Math & Geek
A Aea, i
API Aeia Petoleu Isitute, idust guidelies
d Diaete, i.
BFPD Bls Fluid Pe Da i.e. Oil+Wt: BOPD + BWPD
BHP Boto Hole Pessue, psi
CP Csg Pessue usuall Flolie P., psi
DH Dohole ae.
DHGS Dohole Gas Sepaato/Sepaaio
F Foe, l.
F O Fluid Load o Pup, l.
GA Gas Aho: ie tue of DHGS
GFLAP Gas Fee Liuid Aoe Pup, t.
h Height, t
ID Iteal Diaete, i.
k Spig Costat, uits: i./ l./ t
L Legth, t. uless oted
MGD Modiied Gooda Diaga % od loadigs
OD Oute Diaete, i.
P Pessue, psi
PBHP Poduig BHP @ oto pef, psi
Pg Pluge
PIP Pup Itake Pessue, psi
PDP Pup Displaeet Pessue, psi
ppg Pouds pe Gallo, L./gal Bie = ppg
PPU Pupig Uit AKA Pupjak, Noddig Doke
PPM Pats Pe Millio
PR Polished Rod top oeig od
SBHP Stai BHP loal ag. Reseoi P., psi
SG Speii Gait FW = . SG = . ppg
SL Stoke Legth, i
SPM Stokes Pe Miute, stk/i
SV Stadig Vale pups o-oig ale
tg Tuig ae.
TAC Tuig Aho Cathe fo tg tesio
TV Taelig Vale oig/stokig ale of pup
TVD Tue Veial Depth s Measued Depth, t
TP Tuig Pessue, psi
W Weight, l.
Susipts:
D,FL Dead Fluid Leel FL he gas olue sutated
DH Dohole e.g. @ the pup
DT Dip Tue: ie ael of DHGS
EPT Efeie Pg Tael pupig pat of DH SL
FG_Rods Legth of Fieglass Rods, t.
FL Fluid Leel the kik o the Aousi FL Tae
MA Mud Aho: oute ael of DHGS
p Pup
O o W Oil o Wate; O/W = Oil & Wt itue
f Rods i Fluid osideig uoa foe
RT Ru Tie, faio of the da the ell pups
SN Seaig Nipple i.e. pup depth
tg,-se Coss seioal aea of tg etal, i
API Pup Desigaio:
— R H B C ———
# # a d # # # #
# : Tuig Size, ID - = . -/; -/; .
# : Pup Boe, ID - = ., et.
a: Pup Tpe: R: Rod, T: Tg
: Pluge Tpe & Bael Thikess:
: Seaig Assel Loaio: A: Top, B: Boto, T: Bot. Taelig-Bael
d: Seaig Assel Tpe: C: Cup, M: Mehaial
# : Bael Legth, t.
# : Pluge Legth, t.
# : Legth of Uppe Etesio, t.
# : Legth of Loe Etesio, t.
Failue Feue:
A F.F. of . = - ag Ru Life pe ell
Metal Pg: H: Hea, W: Thi
Sot Pg: P: Hea, S: Thi
Chloides Desit Speii
pp ppg Gait
°API S.G.
. .
Helpful Refeee EQ’s:
. , . .
. , . .
141.5
S.G. of Oil:
, . .
SG O
.
API131.5
, . .
.
, . .
. , . .
S.G. of Podued Wate:
The Speii Gait of podued ate is a fuio of the TDS Total Dissoled Solids, ot
just Chloides. So a Wolbe ell poduig K Cl poal has a S.G. lose to ~..
S.G. of O/G Mitue:
Assuig gas-fee.
Boto Hole Pessue:
Also ipotat to ko:
Pluge & Bael Metallug, Pluge
Cleaae Fit, & the Vale Metallug.
BOPD SGO
BWPD SGW
SG
/
% SG % SG
BOPD BWPD
O W O O W W
BHP P 0.433 SG h P 0.052 ppg h
Surface TVD Surface TVD
Ag Polished Rod Veloit: 2SLSPM
V PR ft / min
Fo opaig pupig speeds
12
eloit of ells / difeet SLs.
d P C
Fluid Slippage: Slippage [1 0.14 SPM ] 453
Lpgr
, Pateso Euaio
C Pg : Total Pluge/Bael Cleaae ihes; Fit = .
L Pg : Pg Legth ihes. µ: luid isosit p
1.52
pgr pgr pgr
# of Failures / Year
Failure Frequency Producing Wells
APB’s & SRB’s ae the oilields STDs! Both set-up shop o dohole etallug ad eak
hao. Aid Poduig Bateia eete aids hile Sulfate Reduig Bateia geeate H S—
hih oth apidl oode the steel. Wose et, the poduts of the ooded steel futhe
ihiit the ailit of heials to peetate & kill the udelig oloies. MIC Mioial
Ilueed Coosio is highl peetaig ad a uikl iiiate od pats & tg leaks.
Potet ou podues ioide-teaig a luids itodued ito a ell iludig fa
jos. If itodued ito the deepest pat of eah ad ee fa stage, thee is o possile
eouse fo thei eoal fo the foaio—ol Hope & Faith eai. Ad if APBs &
SRBs ae the oilield STDs—that ould ake Pup Tuks the lieious ouies
popagaig this ost peiious seed fo lease-to-lease, opeato-to-opeato.
“An ounce of prevention is worth a pound of cure.” -Benjamin Franklin
SRB piig ith the haateisi pits-ithi-pits. All the lak
splothes ae the oosio podut io sulide sale ith oloies
esidig udeeath ete pits leaed out ith ie ush.
Dohole Diagosi: You Dohole Doto & Lease Na! We oie Fluid Leel & Do Sues / Rod-Pupig Ko-Ho to Opiize ou Rod Pupig Wells.
© Dohole Diagosi | Midlad, TX. Fee fo ualteed distiuio. §.. Neithe Dohole Diagosi o its ees a e held liale fo a
appliaio o isappliaio of the ifoaio otaied heei. This ohue [& futue updates] ae posted @ .DoholeDiagosi.o.
(BFPD)