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Journal article
Accession number & update
000881695 20060101.
Title
STUDY COMPARES C6+ CHARACTERIZATION METHODS FOR NATURAL GAS
PHASE ENVELOPES.
Source
OIL AND GAS JOURNAL, 2005, vol. 103, no. 43, p. 60-65,
ISSN: 0030-1388.
Author(s)
MOSHFEGHIAN-M, LILLY-L-L, MADDOX-R-N, NASRIFAR-K.
Corporate author(s)
JOHN M CAMPBELL & CO; NORWEGIAN UNIV SCI TECHNOL; OKLAHOMA
STATE UNIV.
Abstract
A recent study applied different C6+ characterization
techniques to generate a phase envelope for natural gases and,
using these techniques and a single dewpoint measurement,
generated a relatively correct phase envelope. Using the
single dewpoint measurement, we determine the appropriate
component or cut distribution for C6+ and evaluated the
accuracy of each method for 2 case studies covering rich and
lean natural gases. We evaluated the effect of 4 C6+
characterization techniques for generating phase envelopes for
natural gases. With these techniques, a single dewpoint
measurement was used to generate a relatively correct phase
envelope and to determine the appropriate component or cut
distribution for C6+ by adjusting the C6+ properties such as
molecular weight, critical temperature, etc. The exponential
decay, or logarithmic, distribution of C6+ will improve the
prediction accuracy of potential hydrocarbon liquid content
estimations by use of a C6+ molecular weight to match a single
dewpoint. This approach is internally consistent and results
in generation of relatively accurate phase behavior. For a
sound process design or operation, we suggest using at least
one experimental saturation measurement such as a dewpoint or
bubblepoint near the potential operating conditions to
characterize the heavy ends. Once the characterization is
established, one should use additional experimental
measurements to verify the accuracy and validity of the tuning
technique.
Descriptors
*GAS-CHARACTERIZATION; *ALKANE; *GAS-CONDENSATE; *GAS-
PROCESSING; *VAPOR-LIQUID-EQUILIBRIUM; *WET-GAS;
*CHARACTERIZATION; *CLASSIFICATION; *COMPOUND; *HYDROCARBON-
COMPOUND; *NATURAL-GAS; *NATURAL-GASOLINE; *PETROLEUM; *PHASE-
BEHAVIOR; *SATURATED-HYDROCARBON.
BUBBLE-POINT; CRICONDENTHERM; DEW-POINT; GAS-ANALYSIS;
INTERACTION-PARAMETER; MOLECULAR-WEIGHT; BOILING-POINT; CASE-
HISTORY; DECANE; DODECANE; ENVELOPE-CURVE; ETHANE;
EXTRAPOLATION; GAS-CONTENT; GAS-DENSITY; GAS-PRODUCING;
GRAPHICAL-REPRESENTATION; HEPTANE; LIQUEFIED-NATURAL-GAS;
NONANE; OCTANE; PENG-ROBINSON-EQUATION; PETROLEUM-FRACTION;
PHASE-DIAGRAM; PRESSURE; PROCESS-DESIGN; REDLICH-KWONG-
EQUATION; RESERVOIR-FLUID; RETROGRADE-CONDENSATION; SOAVE-
EQUATION; STUDY; TABLE-DATA; TEMPERATURE; TETRADECANE;
EQUATION; STUDY; TABLE-DATA; TEMPERATURE; TETRADECANE;
COMPOSITION; CONDENSATION; CRITICAL-POINT; CRITICAL-PROPERTY;
DATA; DENSITY; DESIGN; DIAGRAM; ENGINEERING; ENGLISH;
EQUATION; EQUATION-OF-STATE; GRAPH; LIQUEFACTION;
MATHEMATICAL-ANALYSIS; MATHEMATICS; PHASE-CHANGE; PHYSICAL-
PROPERTY; PRODUCING; PRODUCING-OIL-GAS; RESEARCH; TESTING;
TRANSITION-TEMPERATURE.
Subject category
PRODUCTION-OF-OIL-AND-GAS.
Language
English.
Publication type
Journal.
Publication year
2005.
Publication date
20050000.
Bulletin issue
200601.
Patent
Accession number & update
000881594 20060101.
Title
APPARATUS AND METHOD FOR GENERATING ELECTRICAL POWER IN A
BOREHOLE.
Source
Patent: Can. 2,500,036A1, p. 9/9/2005, f. 3/8/2005, pr. U.S. 3
/9/2004 (Appl. 708,512) (E21B-041/00; H02K-007/18; G01V-003
/18). (39 pp; 31 claims).
Author(s)
KOTSONIS-S, ORBAN-J, HACHE-J-M.
Patent assignee
SCHLUMBERGER CANADA LTD.
Abstract
An apparatus and related method generate electrical power in a
tubular housing, such as a drill collar, disposed in a
borehole when drilling fluid flows through the tubular
housing. The apparatus includes an alternator stator adapted
for being secured against rotation within the tubular housing,
a tubular alternator rotor rotatably carried about the
alternator stator, and an impeller peripherally affixed to the
alternator rotor. Accordingly, drilling fluid flowing through
the tubular housing when the apparatus is disposed therein
engages the impeller and induces rotation of the alternator
rotor about the alternator stator to generate electrical
power.
Descriptors
*ELECTRIC-GENERATOR; *DRILL-COLLAR; *DRILLING-FLUID; *ENERGY-
CONVERSION; *LOGGING-WHILE-DRILLING; *WELL-LOGGING-EQUIPMENT;
*CHANGE; *CONVERSION; *DRILL-STEM; *DRILLING-EQUIPMENT;
*ELECTRIC-POWER-SOURCE; *ENERGY-SOURCE; *WELL-LOGGING.
ELECTRIC-POWER; FLUID-FLOW; IMPELLER; REMOTE-SENSOR; ROTOR;
TELEMETERING; DATA-ACQUISITION; DRILLING-DATA; ELECTRICAL-
EQUIPMENT; ELECTRONIC-EQUIPMENT; ELECTRONICS; ENGINEERING-
DRAWING; GENERATOR; MAGNET; MAGNETIC-FIELD; MUD-TURBINE; REAL-
TIME; REMOTE-SENSING; SCHLUMBERGER-CANADA-LTD; SUBSURFACE-
HYDRAULIC-MOTOR; -P-CANADA; CHART; DATA; DETECTOR; ENGLISH;
HYDRAULIC-MOTOR; INSTRUMENT; MAGNETISM; MEASURING; METERING;
MOTOR; PATENT; POWER; PRIME-MOVER; TESTING; TIME; TURBINE;
WELL-LOGGING-SURVEYING.
Subject category
WELL-LOGGING-AND-SURVEYING.
Patent class codes (IPC)
G01V-003-18
H02K-007-18
E21B-041-00.
Patent number & date
CA 2500036 A1 20050909.
Patent application info
CA 20050308.
Patent priority info
US 708512 20040309.
Language
English.
Publication type
PATENT.
Publication year
2005.
Publication date
20050909.
Bulletin issue
200601.
Meeting paper
Accession number & update
000888224 20060101.
Title
A RECORD OF THE JURASSIC/CRETACEOUS BOUNDARY CLIMATIC
VARIATION ON THE SOUTHERN MARGIN OF THE TETHYS: CLAY MINERALS
AND PALYNOFACIES OF THE EARLY CRETACEOUS JEBEL MELOUSSI
SECTION (CENTRAL TUNISIA, SIDI KRALIF FORMATION)
(ENREGISTREMENT DE LA VARIATION CLIMATIQUE AU PASSAGE
JURASSIQUE/CRETACE SUR LA MARGE SUD DE LA TETHYS: MINERALOGIE
DES ARGILES ET PALYNOFACIES DE LA COUPE DU JEBEL MELOUSSI
(TUNISIE CENTRALE, FORMATION SIDI KRALIF)).
Conference information
MESOZOIC PALEOCEANOGR. IN RESPONSE TO PALEOGEOGR. &
PALEOCLIMATIC FORCES SPEC. SESS. (PARIS, FRANCE, 6/10-11/2003)
PAP.
Source
BULLETIN DE LA SOCIETE GEOLOGIQUE DE FRANCE, 2005, vol.
176, no. 2, p. 171-182, ISSN: 0037-9409.
Author(s)
SCHNYDER-J, BAUDIN-F, GORIN-G, SOUSSI-M, DECONINCK-J-F.
Corporate author(s)
PIERRE & MARIE CURIE UNIV; GENEVE UNIV; TUNIS EL MANAR UNIV;
BOURGOGNE UNIV.
Abstract
To precise the paleogeographic extension of the climatic
variation at the Jurassic/Cretaceous boundary, the sedimentary
organic matter (palynofacies and Rock-Eval) and the clay
minerals content of Berriasian sediments of the Sidi Kralif
Fm. are studied on the Jebel Meloussi section, central
Tunisia. Standard sedimentological and palynofacies analysis
allows reconstruction of bathymetric curve and sequence
stratigraphic scheme. Using existing biostratigraphy based on
calpionellids and ammonite zonation, the sequence
stratigraphic interpretation is correlated with the
established eustatic chart. Clay mineral assemblages are
characterized by a shift in the kaolinite content, recorded at
the end of the calpionellid zone B, at the early/middle
Berriasian boundary at a time of high long-term sea-level (MFS
Be2, second-order eustatic peak). A contemporary change in the
clay mineral assemblages (a climatic change) is known from the
boreal area, and from the northern margin of the Tethys Sea.
Descriptors
*TUNISIA; *CLAY-MINERAL; *EVENT-STRATIGRAPHY; *PALEOCLIMATE;
*PALYNOFACIES; *STRATIGRAPHIC-BOUNDARY; *AFRICA; *CLIMATE;
*FACIES; *GEOLOGY; *METEOROLOGICAL-PHENOMENON; *MINERAL;
*SILICATE-MINERAL; *STRATIGRAPHY.
CRETACEOUS; DIAGENESIS; EUSTATIC-SEA-LEVEL-CHANGE; JURASSIC;
ORGANIC-MATTER; PALEOGEOGRAPHY; ARID-CLIMATE; BATHYMETRIC-
PROFILE; BATHYMETRY; BERRIASIAN-SERIES; BIOSTRATIGRAPHY;
BOREAL-REALM; CARBONATE-PLATFORM; CARBONATE-ROCK; CEPHALOPOD;
CHLORITE; CLIMATE-CYCLE; COLUMNAR-SECTION; DELTAIC-DEPOSIT;
GEOLOGIC-AGE-DETERMINATION; HUMID-CLIMATE; ILLITE; INDEX-MAP;
KAOLINITE; LITHOLOGY; MARINE-ORGANISM; MATURATION; MEASURED-
SECTION; MEGAFOSSIL; MICROFOSSIL; MINERALOGY; MOROCCO;
ORGANIC-CARBON; ORGANIC-GEOCHEMISTRY; OUTCROP;
PALEOCEANOGRAPHY; PALEOGEOGRAPHIC-MAP; PALEOTEMPERATURE;
PALYNOLOGY; PHYSIOGRAPHIC-MAP; ROCK-ANALYSIS; SANDSTONE;
SEDIMENTATION; SHALE; SILTSTONE; STRATIGRAPHIC-CHART;
SUBSURFACE-TEMPERATURE; TETHYS-AREA; TIDAL-CURRENT; TIME-
STRATIGRAPHIC-UNIT; TINTINNID; TRANSITIONAL-ENVIRONMENT;
WATER-DEPTH; ZONATION; ANALYTICAL-METHOD; CARBON-CONTENT;
CHART; CHEMISTRY; COAST-CHANGE; COMPOSITION; CURRENT; CYCLE;
DEPOSIT-GEOLOGY; DEPOSITIONAL-ENVIRONMENT; DEPTH; EARTH-AGE;
ENVIRONMENT; FAUNA; FOSSIL; FRENCH; GEOCHEMISTRY; GEOLOGIC-
STRUCTURE; GEOLOGY; INVERTEBRATE; LIFE-ZONE; MAP; MARINE-
ENVIRONMENT; MEETING-PAPER-TEXT; MESOZOIC; METAZOA; MOLLUSCA;
NATURAL-EARTH-PHENOMENON; OCEANOGRAPHY; PHANEROZOIC; PLATFORM-
GEOLOGY; POST-DEPOSITIONAL-PROCESS; PROFILE; PROTOZOA; ROCK;
SEDIMENTARY-ROCK; TEMPERATURE; TESTING; WATER-CURRENT.
Subject category
GEOLOGY.
Language
French.
Publication type
MEETING-PAPER-TEXT.
Publication year
2005.
Publication date
20050000.
Bulletin issue.
200611.
Accession number & update
000884872 20060101.
Title
(R) REAL-TIME DOWNHOLE pH MEASUREMENT USING
OPTICAL SPECTROSCOPY.
Conference information
SPE BERGEN ONE DAY SEMINAR (BERGEN, NORWAY, 4
/20/2005) PROCEEDINGS.
Source
SPE BERGEN ONE DAY SEMINAR (BERGEN, NORWAY, 4
/20/2005) PROCEEDINGS, 2005, report number: SPE-93057.
Author(s)
RAGHURAMAN-B, O-KEEFE-M, GUSTAVSON-G, INDO-K, ERIKSEN-K-O,
TAU-L-A, VIKANE-O.
Corporate author(s)
SCHLUMBERGER; NORWEGIAN STATE OIL CO.
Abstract
(For abstract and indexing, see Abstract
#859,507).
Descriptors
*PH; *ACIDITY-BASICITY; *PHYSICAL-PROPERTY;
*ENGLISH; *MEETING-PAPER-TEXT; *WELL-LOGGING-
SURVEYING.
Subject category
WELL-LOGGING-AND-SURVEYING.
Language
English.
Publication type
MEETING-PAPER-TEXT.
Availability
Available at <http://www.spe.no/bergen> as of 1
/2/2006.
Cross reference
000859507.
Publication year
2005.
Publication date
20050000.
Bulletin issue
200606.
AN Accession number 1_: 000881695.AN.
2_: 881695.AN.
& update 3_: 20060101.AN.
TI Title 4_: PHASE WITH ENVELOPE$.TI.
SO Source 5_: OIL-AND-GAS-JOURNAL.SO.
6_: OIL.SO.
7_: ..ROOT SO=OIL
AU Author(s) 8_: MADDOX-R-N.AU.
9_: MADDOX.AU.
10_: ..ROOT MADDOX.AU
CA Corporate author(s) 11_: US WITH GEOLOGICAL WITH
SURVEY.CA.
PA Patent assignee 12_: SCHLUMBERGER ADJ
CANADA.PA.
AB Abstract 13_: SINGLE ADJ DEWPOINT.AB.
DE Descriptors 14_: GAS-CONDENSATE.DE.
15_: GAS ADJ CONDENSATE.DE.
16_: GAS.DE.
17_: ..ROOT GAS.DE.
MJ Major descriptors (displayed 18_: ALKANE.MJ.
with an asterisk)
FD First descriptor 19_: GAS-CHARACTERIZATION.FD.
SC Subject category 20_: GEOLOGY.SC.
21_: SC=GEOLOGY
A list of subject categories 22_: ..ROOT SC=
IC Patent class codes (IPC) 23_: G01V-003-18
24_: G01V-003
25_: G01V
PN Patent number 26_: CA-2500036-A1
27_: CA ADJ 2500036 ADJ A1
28_: 2500036.PN.
Patent date 29_: 20050909.PN.
30_: PD=20050909
AP Patent application info 31_: US-438469.AP.
32_: US ADJ 438469.AP.
33_: 438469.AP.
Patent application date 34_: 20030515.AP.
35_: AP=20030515
PR Patent priority info 36_: US-708512.PR.
37_: US ADJ 708512.PR.
38_: 708512.PR.
Patent priority date 39_: 20040309.PR.
40_: PR=20040309
LG Language of publication 41_: ENGLISH.LG.
42_: LG=ENGLISH
A list of languages 43_: ..ROOT LG=
PT Publication type 44_: JOURNAL.PT.
45_: PT=JOURNAL
A list of publication types 46_: ..ROOT PT=
AV Internet availability 47_: BERGEN.AV.
XR Cross reference to 'main' 48_: 000859507.XR.
record in TULSA
YR Publication year 49_: 2005.YR.
50_: YEAR=2005
A list of publication years 51_: ..ROOT YEAR=
DT Publication date (not always
available) 52_: 20050909.DT.
53_: DATE=20050909
Publication month 54_: MONTH=200509
ED Bulletin issue 55_: 200601.ED.
1_: ENERGY-CONVERSION
UDATE Update date 2_: ..L 1 UDATE>20061101
UMONTH Update month 3_: ..L 1 UMONTH=200612
DATE Publication date 4_: ..L 1 DATE>20010101
MONTH Publication month 5_: ..L 1 MONTH<200503
YEAR Publication year 6_: ..L 1 YEAR=2006
PD Patent pub date YYYYMMDD 7_: ..L 1 PD WL
20020101,20050101
AP Patent appl date YYYYMMDD 8_: ..L 1 AP>19991231
PR Priority date YYYYMMDD 9_: ..L 1 PR<20000101
y paragraph - title, source, abstract: _: ..P TI, SO, AB 1-20
SHORT AN TI SO AU CA
MEDIUM AN TI SO AU CA AB LG
LONG AN TI SO AU CA AB DE SC IC LG PT
BIBL AN TI SO AU CA
FREE AN TI DE MJ MN SC IC LG PT AV DO XR YR DT ED
_: ..P MEDIUM 1,3,7-11.
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