OIL DRILLING

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00809A000600200334-0
• Release Decision: RIPPUB
• Original Classification: R
• Document Page Count: 11
• Document Creation Date: December 22, 2016
• Document Release Date: June 29, 2011
• Sequence Number: 334
• Publication Date: October 20, 1948
• Content Type: REPORT

Sanitized Copy Approved for Release 2011/06/29 :CIA-RDP80-00809A000600200334-0
-, ,
''~ GEfViRAI, li?TwL~IGridCt ti~~rNCY~' kEt'G!:'! ".STAY;
Dr'~7.7. operat'ore of t}K- '14~aezeneft' tmRers`.onG. 1~7C 134?~Oi'te?Tice n$ t3ai a
regnirn~eirt nod developed ).ergs-eoelo gompetiticn :tor drfllizg voila m r~
rapidly.
R'A.~a arose eesti~n of tha etrueture in 1h~Ymnsa shave that lir'aeatryye e:~
._ ~ora>rzGra ?ocu~w~~Etzonnrasss
`~UNTR'f osSR
of oil is i3~e 3aet. To oerrlr out tbnir deoieion ouoaeeefully it 9s
tasoe~enry to iaorease tho mmiber of operating drills, and to accelerate
the ?7;eed d vsll drilling.
PUBLISHED US.STt PLO: OF PAGES 1.':;
DATE . ,
PUBLISHED rovoaver 19k~7
SUPFLF.idEi~T TC1
LANGUAGE Y~.iaoica
BUBJECi' c+3?: Dr+_llr~
HOW
PUBLISHED 1?fon1;L:.y poricxlica]
WHERE
fps otleoRnooeern IYI6pAiloe urtenu nt YAii611A1 OttbtY
CI Zllt tlYlftp.Yn10 R7l9Me TNt YtVl1Ye OR ttI10RMt /.CY R6
~. A Q. SR Aq0 eR. MWtY6t6. nY TtkeYYi?Nle 6Y TYt taiW116s
Qt Rn COIIit~1Y 111 aeT Yl6Yf110 YY tleAUIY11tiffi0 PlY96Y IS FOOD
Mono n aae. YnYOYVb'Y6Y Or Ten l6pY a rYw7Mn6. e6a?
~tN~ R~et7tiY'R YT 61YL6O111M',MteYR.671 Ya7 b[ QRlllte6
SOURCE IS3ENTIFICATION FFa~,,,o+~,~,~ho.._.~~!e 170 li, 1~b7? (1RdB Par ,ho ktri?~; -
ation apea ? y requs+eted.).
dolcmito me~oe up fr+re- ?5 tc 80 percent rf iho formetioae. with the e~ptt.on
of a mmL'~ part of tho vP7>er ].aye2'e aamapeed of easQetcne, oley,gy~au,
aia+S antrrpdrite.
Genaral3y, the irckn v~re very solid anti turd., a~ drilling cpaed.e i:z
this s~ic?n vets aomyeratiee]~ lov For irstanoe, in 191F1 tlto rocord
oo>ameroie~t epsed for rotary dri111nS vas 180 meters per drill pot arnth
in yells sank ecao>Y...tjl~lll "Glk9 'lAefd. 4T&4 iRGI~FiHt7u.~,u..a~uaauu-.. -,
F1hon clxil.l9z~, the Gaew Enid epeciSl attt7ntian to flee wos3t oa' the bAt.
Bits wex~o.eSm63derOd< ware out rhea their msoheaioat spe?8 ~E~ 'ta
$0 peaeoorxt c8 the iaitisl speed in the same kind of rook. The Pare~a
sad thus Drew deoide+S that they should net let the bit, roar down tc a Point
trhss+e cc~lste loss of mechsnicel speed resulted, beasvse it oaueed cons3d-
erable wears a4 rims ~. aeoessitatod further enlax~e?rrnt oP the wolf.
Adsgnate operation aoe drilling tubes ~O motors %r,~; inledditon
obtasned by uca~ng a 5-1noh rsighted base, 5
6-~inah dril].Sal6 talcs, 300 motets long, 'ire Plsaeti tinder the extension.
TPmes A+~i77inn tutee were ftaa'tb61' extax~ed with 5-inoh drilling tubes.
3~ $OLg'8 ar operation, the tubes were 93IIIH2`ZJOa.i th6 louor
' ever
Aft
n
y
o
.
~-inOh tribes sore 11a?d On t}luB top of the aaltmui tui~. the upper tubes at the
bottom. Thin pssvented passible acoidentts with tubes. Rt regu]ma'
? 111tbYwr-1s 'L`b9 g91e11t~9' Od? es~i2Js,~otls 9alIItiOa . w9a ChoOlasd. Oxl 'Eh? @pot,
and tYm results verit'iod is the ) aboa?stor9.
T}m msoheaioal speed, soh bved, 1.38 ~ per }.our, made it possible
to sttvo 360 hours oa the drilling operation. A oonsidarable mnourst txf
tins wee saved by tde stew thrat~i their arse of tm~l.l yreahioorp. Repaix'a
rsre mtd+o by the satire crew and net by tlrs meoheato a7.one. Foreman
8alsb~ov fOtmd that fie].l`s stains with a small pitch list's ante effioiont
and tt~ix rapalrisag was $esier. 1&e hitnsell~ madernieed the drill ends rotor
tl
lt
xo
,
by 6 sproo9oote affi olmixs Vith a s~.l pitch. Aa a reea
tuns spent oa ohaiu repairs wee coasidexably reduuood. Asa seeult of
y~ yeera ~$ [tong to~etber,Fo-SamaD. BR1.eb9a07`e ores set en e]~emple
af.E~Paat teemwoMk. (same at the drillers have worked sizwe 1939?),
'its ttoxk of Fos~tren L~utov; as 'yell as the svrk of Foremen Alesepev
s
nt
eai 1~labaaov, is ooneErlc~istts because of the' taohaclagioal eohievom
of saselerated drilling speed with losier pump capacittiy (a ma~mm of 27
the highes pereenta?e a~f produotivo
~a this Dees
e! eeooad)
ere
la
~
,
.
p
,
t
time ie sesehod (90,6 psrocut). The tams ae mechanical drilling ?iacrea3od.,
--
w.ma..a.o..w ~~--- ?"-- ~------ --
tCr ~~M96Ti ~pv~. `(,pneptjlleatl~-, FOre?ea Ynutov ee'tabliabed the rOCOIiI.
9pec~0. taQ' 1*LtaTy dri113n6 in T~ymaza.
piyyl,3raing his wri, ova me3 ooacludo that has z+ooatei speeds were the
~
Lt7
ew;
.ag os
rss>:lt off: tLs wall-osgsaiaod 8Lak8aaovits rock of the dri
~pE.iaaticon od iar!ood drilllrg oysratione; i~ abeoaoe ~ orx~itoationa
dui: the raaAc, the dnos+woe ~ eaoldsato ry rr+x'~ with easaU6to
ol,ysy solutl,ous, sa0. the eataalin~t of sa esiel Soe~ an the bit by
seems ad a wlghtea bans;., +3Ye mialmtmt veo oY maahi~ry; ~.s rati~nsl.
end e~ialm6 nee of the aev e4~~s am the Dare gives it by the
dri7~~3.
I`t is ~s~9 to Ewiat oat that in Tu,~azet the gnsstioa o?
E~oafied
va?snt we
Th
e
e mo
eccsleacate@ drilling d!d not arias sponteaoeue~?.
by edgiasers am tsolmioieas a~ tLe 8aetapft` Gambian (Camreds Stmarov),
cd fibs 9~rnat (Oamradse BlPeatov and Repin),_ and of the.OfYioe.oS nrillia~3
0~ O'160~'iY eOCe2erated drilllaB pralec7r, scsoB new javvaa~+ suvpn, w~
seluticr: os which made s bcttns? perfarmoneepoeeiblo.
At this sr~o t9me that rotary drilling was being perfoote@ Sn Tuym9:.a,
operatieeie started with tmtiias drilling3. QuiW zeoeutly in the beginn]sYs
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ox.'19~(,, LtI19 II'Atiuvu, waaavu .,... ~.....__, --'_- --
applied.. Startissg in ~ 19+7 t'~'b~ drilling heo beon cZovol:ap~=cl on ~?
later aoelo.
Tnxbim ariliios ~ ghyaaza was dsltti9ed b3 lnok of: a praap unit
~ }~~ ,lnceaaaz+ea, and 6o~-4ua~li't~ p~'te for D~Pe, ~luflas~g a01f'-
1 r~t~; pp, ptt~r drives; h~ qua11t9 s~ vane,for ,turbine
rator~i eyed aY muclianio~9.
drills; gna7.itisfl tua'bis+o drill opa
11]1 these fliiCtiovltisa war's aurmotmted when:
1, 9`he Tyke ~'1 p~4V, forming a p~?t oP the flrilling unit ~9, tl~e
7~}e Z~-~ 30-3 p~0.p, made b9 tbs Factory imeni Stalin, and the Tyne
R-20 pip z+erfi moeivaCt; t~ ?Boa~eta?' 8actory stes~od~ E~ ~~~
quality/ > fox per, ~ the Imn3s~a.?~
Faatorg produoefl 2~ emit-I~eoki:8 Pisttrna7
~. ~asttxl driv9s~g Eel ~, 290-1n~ oleotrlc motors, mado by rho
Iea1n~ ^g;,s9ctxaslla" gaotoary, W~ reooived:
3? f~oai-Qna].ity sP~'6 Dig fosr tuarbino dri].le *aex~ reoai~ed fa'crta
the 8sotaCJ' semi. Molotov; onO.
1F. t~F?a is~-an o~psrieaoad shift, vta hael worked on turbine
dril7.ing etxyoe 7 i7ovavabor 19~, aeg~e trai~aod sa tozwemsn.
Af for rho onthorisation oY tba Stets was csbtalued to ~ ly%A i s
tas'bitl0 dY'illin8 began to p1W a loadiag role is 11~meza?
One of tho first turbia~ 8xi11a, that was used on Wall 305 (FOrtlQlan
B112bov~ tteing f~oflr~s toY the titwt time, ~ ~~ ~,.~621
vittt9r aY 1 7 with zS~'rRC-3o-320 pa~Da~ ~ O?~!~., ~. mnn{3. 't'his
ar
t
. vas flame by three '1'7Pe M4M 9 3 jt Yor all well dr111inf3?
imer.4 iBflotAV 1n 19461 tae are steitd.aud oquipm~
w
Maw ~ a ~~ to1u~ stool with S~'0 locks was uaod, Ari113ng
,1 5-itfah esooood-,gtbde d'i'llisa6 ~~ turbadrille made by the Plant
isah~sio~ diot7fwr n~ s P-laah oaeing, and Pram 330 t blt'~1e5^3ta s
fa flsptat with 11 ~/~-ismh bits With a 8~~= loaeric~ of the 6-anoh
pperstia8 tnbi'~8, i.o., is aatdosed.~ vtth tl~e cc.a~:=t`_aa rlra.
The orc~eis eeotion at the we31 ociZeapoaia rith tY~o shorn memtionod
yaptiLs abeQ+satorieEio fox the '1'~%.Zn atrccturo. Ito drillin3
oq~t does not 83tPor ZZ~ the eQ~Ya+~ uo~d for rotary drills.
The tollavf~6 baaio ognirmsatr ~a reoatvedr Tsps 8,;330 2'P~en
with 29~'-~ oleot-ic ma2ora med. by *.Ls EleotiroAsln
mod power A~+,
~ yiede by the Ylent ymeai 3aitmidt.
mra p
metAxs with s oaoooro3al ep~ of 355 aw
wea an avsregs speed, eaaaondia6 to file odtloo, of 240 meters per drill
~ as etvrxa?e m,sobe~stosl aDe~ ~ P.26 maters per hour.. '1'63s e~ooeeaad
13tt msc?henioa7. apesfl at racard rotar7 dri178 bicE, motorEmonte7,Y,
ina11'de3 a high pexoonteAe ad ut~pxodnotiw tins, flue to poor asemab].S
of the i~'~D lramryMOS!h, ~tematio woxic :in ereotiag the ilk, aaf
othsr oeae9a dependsat ozv, fire dri7~ing otfioo woor)aea~e?
A# aaothea' tmcbine Ye11 131, bored tinder mra or, l,sas naxmel
o~Oditiolls, d~'illiag bogey o0 21 .Tine 19~-'f uuuier the olfor '~i9+~a crf
7br'eartnr i~pri~? St ~ toted ttith a reoo.*d epsed
@'(0 meters pec A.-i:.l per moath.
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ors~faoity ~v3k-35 litors~ Vl.~.._a~aan or~:y eels 7nu~y9 o~:.~tiz~ .:t a non
intomittent d ~? seaoa~d, :rew need. T`to socotsl pasap worked
~.4, ux'iri? por2ods v}mn the main
tmx
wts
l
p
y
a uxs
er xrslmirs.
9eloation a~Y bite was merle gccoar9.in~, to tyrpse of pa'~'ile encoemtexed. asd in
acmfoxriity~ with
l
i
l
geo
ag
oa
:n9d. teoltzioal natu'sro oY the aroclt p?ssB~ ete~ .
The drill?.~ ou?LYit '.~ only a rfim5mun of meahaaized ec~utpmsat en?
S instrtmssnte. Too ai~il.?.awou,a 0ulution hrs: ~ c~c ~Yia eat y
oY~1.23, visooaitg of 21 aecorids, earl meohaniaal impurities /ria~iwt
iwg o.2-0.6 peroe-nt. Grilling was carried on tkCrx ze3`6 to 1]2
meters with o~ 1:5 3/4-loch bit with ass axial load of 5-9 tone ani s
mrusoaetria pxosst~ of g0-6o atmoaphosea. To eliminate ~rkin8 ana
bcstmo9s~ of 'wha tool, `,hd foa~asa installed 2'3-rater es;tenoians on tdse
tulbodri]~. In the Ylres cutting ap?ret?c+he. I4~ the interval between 110.
earl dA6 sthtera, dl?i.11i~ was done by 7~-7 axed
Jl
ZT
11
.
-
3
ainoh bite with
an axial. ].ood of 10-12 toss seed mnsametric paressua~e of 60-F}j atm~sepheree.
~ this interval 11 bite years warn out, y4iiah re}mbeantsd 53.3 mstex~+.
of dki'slSs~g >~ Mt. Valve drilling oporatio~ns
ith
Z
8
v
z
S-
an8 7.~ u 3/4-
ixah bite tanti gertammed is the issterval fa~ma 696 to 796 meters, i.e., in
the 1~atr4eat spoor aC ~ m~. Pbdol'sk~e tas~tioAS w.t:?.horrt
a Dame of uQuatlvs ds"!3.]dIIg suoh as Decors at times with low
speed ~ dr3111mg. Thm mtnsmum- meaheatoel sD:@ed aariiovod in thS~
iaterso,~. tree 2 meters, at 706-msb0a' depth. ?n tlsis Sntoival tllo apr.4.tJ. lotnd
ig tome
, s depth a? 728 maters yae raaohei, the wt~L r,~so
bsl in the intexval 1"t~ta :? 0 to 150 mstcrt3 emd a ]2-iiiah oasiag a+lu3
].ot,+eQ,yd to 1S0 meters
C
t
..
e?en
yso then patn*ad, ammod the casing up to flee
top +~ +iss yell. Tlse intempal Ps+cm 769 to 1,000 mstexs y'~3 drilled, witk
an ssiaa? 3,aed verfis~ t-ozi YO to 12 taxes. 8eomsea of a ooasidesrble
3aoa'ease os prsseups (ovum 8C afmoephe~+se), the tamemea chmged the purl
tlh
t
X80 1n
s au
6
pnt to 2y30 liters ger eecomd uadsr a
o~? 60.70 atmaspherea,
The minimmt meoheaioal speed, a~i drilling was 4 meta-a .during the
Bret leer of operatiaxy bat oi`tor ~- to 5 hot
r
f
3
s o
waic it dsiom~sd to 2
mstCSra Der hour. Tlsio was a sigmal to discontiswe dtillissg szz~`to ?itt
tbs bit.
The time lost 'ay 1`onnmssn ffi;pa~yaaov vas pert]S o~snsatetl by on
meohaniaal new ~ lcwesing as~l ~~ opornt!ons earl by a goeatcr
.>~~ ~' 1t:le~ti>yarthe ZS,2T, sffi 7~-8 bitfl ,~ Duty +?hs
~?eooseity aa' enlaxgGog tbs yel:. 'ass svcided: Bowe had tc be anlea~ggd
y31e7! 238-7 bits ~ used, beoauss oi' the rapid near on the body. This
eitturEiom is oaagpletsl~ uasatisfaotama Yor tt>rbita drills, alaoo they
M sat stared a aoaatQl load. Ptm aorseel t~a'bime dri].1 cperatiar,, gt'!!Cc'J
atteaactlaII asset be iiaid to the q?s].it~ of tLe ea latices of al.ay sad its
parity. filth a sea6d, se?tstion tbs tu_*biae sosy ce oJ.ogr,~ti2 earl. ;rxppvd.,
'1$is Yaot tree takes issta oons3dorstion by the ca+o*3; an3 s+a~ t-uz~bine was
o".~se6raated atsr3stq the ?utiars drilling operation.
~ '~ '~ 80~ quality got tads-ills, avail.ebillty '>_? nPai+t *?~arta
e~ i~Der maimmtonanaa b
th
o
y
e
hist msahan.+o oY tGe gg~anc oa~ess, the
tla~badrill 81d net rqn idle at aqy time_ The taohniaal and roonnceia
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3dvoobsY' ~q Alf 9 9
~~'i 4tji~~i
k?ox'~ for dri111Jn8
apaa~a~tfoan (m)
~~
RESyTRICTED
TAb:,e J
AB aaY bs roses from TabL 3, tbo tooohaniaal apeo8 oY ans.~bfra ban ing is
alAOet QwbL the sroos+a star apMde. Tbs. fa]loving vel2e, loastea Yithin
a ~+_atmD~ at X00 aab~re tram soap other, vie llrilLtdts tfell 73Z !xi ].,'~+&~
homrs -viEb s lion ai` ~0 bito at R antttiag rate Od' 2'a margra for bit;
Ns]1 3.31 is ~ . with a aammoptian +af 87 7,its auk a oarttfaB rats of
20.E mtsra aper bit. Conesquoht2,ys ~ from ~ akaxidpoix-t of
msobmsioat a~atd, 'bsmt+T-flub 24-moor days ws~ Bawd, syat ornmtit~ tbs
gt+sat rsssrvsa of aeai3sbls msobantoal dri311ng tins. Ae atx?ra ab~rte,
tab ~eabloav ?tx+eta, tth3GS to vsrr diPYioult to oamat~a9~a~e bsoaaas of Y,hs
peattlimr hs~sea aaP the i+odt, took :b bnr~s for ~smtration otat~rei +~.tlt
I~88Bt37Cf~
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Js?2 Lours spe~.t at Ylell. 1~. 1'he iDeolu3litaal apaeds aorre?Po=riai tv.2 .:o~cera
per hoot ae camopex~ed to 1.1 maters at a lovor rate aY rotor :vvolutiaas.
'ffine aoaoltseiot. i~uoisad by dsillots on t asaoeseity cf redua3ssg the
rate of apee~ of the bit ias.3xi1].iog very hard malt must be aop~smtex~6e;! opaa
to quoetiaan.
'fbe ritm]:ts ad' tho votk oY 8ortuaems ' a a=orr tins not soo9dental.
Tlw oirov aY fiadinBYy' BbrBa~D Hoalhkat+aa (dri113afg vith a turbiare far tiro
Tirst ttmb~ oam iieTl 3A3 usme-[ etsatdt~d t!2"271![ e4itiymeatt'~ t'~ ti$-i pua~g.
'f~S rt-eol~ad ffi depF~m of 1,~ mew is 68 drilTiars operaticuus (~+oj~mated
depth, 1, 6bO matea'e ) . FTYty-aiz drilliag dt~ ves~s, a?equitt-d, vax~ing eritTm
iaarea,ttsd t1. Toed emmouatiag to 22 foams, with as tmrgiLZSaemus solution
outrut afi 36 litore par oeaowd, tmd a meaoesatrio p~ pataasuta of a1,+out
9o atJaasphexee) s4A hoeats vela spent Sn meohsaical dsKlling est a~ tse
soetshesaiael speed of 3.3 meters par hour.
Ds aa+dsr to dieoa~ear the msae'traum possibilities oY 'rotes dr1113ug ims
? G, As.4l.liaag vas beguas on tdell iQ2 by Fold Helabaaav; t~ Yor
pumpo~i of otamparlt~n with tux'biae drillitmg, a turbo,-drillea'Pali 8L'
seas ~ mstere eatay by raressrasx Saamtov {1mor1'r~H a turbitia-drilled
vbl~. t+~'.'l9fe t4t~et t3ma}. Tn ap'tto o."' tt~s Pmot that boxAtlg b'~~r- tm iie1,1
8E 3 ~B~iA-, by the 39th ~ lrorameas. 81sUtt?'P's r hell. o~tt+ttaloa~
11 D~t1+els6miov'ta~ i~reooar, it vas gig~nii'ioant theti at turbine-drillam8.
Si~@]]. ~ oam1;' ~ hits vearr ustid trp, vbils at ratax-dx'illod F1b.1.]. 1t3~, 71!
'blta uasd. '3'h18 calolumive],y praeee tLo sdvsntt~e of the tttaibSsae
1h Jtmatar8 1947, Drilling OYYice >do ~ aY the Tu~eaazssYt' Taunt rtes
operatiatg aamly Dame tmbiae drill oat aY a toted oY 11. Tn the eeooud emrrl
t~tid 4unrtiere aT tLe ~esr~t'he eitueoion vas ae Yo1Lrmle: Your turbiae
dM11, ait aY ll opasatissg in .'tUae, six in Ju3~y, night in ~luguet aad
rJ~p6Mi~N~. '9M sresmlt wo an iteaediats emm gemoxat ia-orease aY
dli~ot~ma~ is OKioe >fo 2..
'd!? tmveoctm~sm driiliag speed. oohinvad in 8 moalths b7 OfYioe >ro T vas
D?~the- Dl~a t~gT this aarx'e?a vse 276.7 maters per dri.li per
~Dtitli~ tdmtle tan' the aaa~ pemriod tLe emeere~a aT OYPioo R!o 2 was 323 . m3
ar~src per drL:1. pas' aooimt.L.
9'a~s' time aemia period t9me~ B~'~ t:psed oY rho turbine drills one Offiae
iga2 sea 415.8 ~oeters por drill.
Tmm fife 'fm~m~snnet't' 'frost, the areseea aaeeslaaaiael vas 1.25
yr{,~q pp~ hw! Tor roterr drilling tnod 2.: tome i7er hour L sin Yor
drill3ag durialg tLe first 8 tmoastha aY 19i-7? Dnring ernes
drill, toad b45 aaEttere peridtill (Table4b).apeotivelp 3~3 ~+ p?='
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~ atte~ti~n ~t ,~ ~~. to ttbe ~~~ that in ~~ arillina,
erg ere achieved ~ the most 4uea.ifi?a fox~emttt Ana taoll=trainett
crews, while in tnx~bine dri11.3z~, high e~eefls axw ~a,ohe8 even b9 Pora?sa
tieing L~adltlnoe dt~ille for the first t5~e. At the presottt tithe 6Q pai~eat
of the work itt ~:;i~a is dotes xS.th ttu'bitte dri]lo.
It ie ~ frets thtt abovo twat tttrhitte dri11ln6 in the
Tttameateooft' 'Pi`uet higher effioie~aoy ixdesee then rotery ari]].is6,
tta$s~g e4,uive-~eat eRui~7c-t uffiax 9lmiler gsolugiaal aon33tioa,a.
RRtereforo, 91ade the areal- e~perimeat at ~aatek, tme teai~iael
~ aoaa>c~io edvesttoBos'of ttu'rine drilling A$e heoxt gt~oaeC.
lh Tuymasa~ rs ae]1 rte is ~saoa7omsek, the rational developement of
,rortioal tva'bilya dxila.iag toads it postgibls to ~ ?aa~i, the PQ'ob'.'A~+ a4 drilliag
grettpa of vel]s ~ a>siag the method ~ inoiineit, oatttiauoue turhSne
dri113tKi 99ts great depth of wells etod a snlatively ~rsll ttiatwoYh I~'ov~a
t6tvox~a'ble cronditiaoms for drillit9g ~~ of vell.si this is partirntlerly
ia~rtinnE in Ttpmsaa arZtere setting a;p ~ aesemblin6 drills Se very
difficult is wlatoac. 7!-es~e ie t:+t-esotn to holieve that is Tnytaeza, dust es
sa 8raaaelc~c, apeeaioy tal~binb dr~~S~M Of orientated weals will
saurpess those oo}iie~sd tar vertical vells whoa operatiaaon7. mothode ate
xar'Ioed out.
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Sanitized Copy Approved for Release 2011/06/29 :CIA-RDP80-00809A000600200334-0
 Sanitized Copy Approved for Release 2011/0(6/29 :CIA-RDP80-00809A000600200334-0
J
RESTRICTED
tbxnugh sarbcaA3forous aerate to 70o maters.
2. ll,~lication cif famed rotary 8ri].1.ing, and usixs~ the oquipmont
to ita tpllm?t cagraait~ by:
a. TaaoaoS.ug the spend of the rotor to 13o avvolutions par
miauto vase atea9.axd egtxipmsnt i~ used sad to 320 when a Phi driving Saar
~s nand,
h' Sa~a2t~asing the speed oY the argillaoeous solution output
to ox~ mater par second.
c.? IIsing a vaighted base to increase tbA aStal load on the bit.
?. 8e~.eatioa of cutting bits vhi;h could be edequate for the
various types of roaloa.
~. J~provlag the control of tho 4ualiby of the argillaceaus
solution.
!it , uas aa~ee moxe pibved in ?Pu~ymozumeft' and ~tavopol'neft'r
tho iainai~al Sastsra s+egione. D`trrther cpp.?iatztion oP this method
?~.? R'biatsnsaae of parsper ~aurking conditions.
STAT
Sanitized Copy Approved for Release 2011/06/29 :CIA-RDP80-00809A000600200334-0