Wells G15565 608115009700

002 ST00BP03

608115009700 ST E Document report → Lifecycle report →
Operator
Talos Energy Ventures, LLC
Surface lease
G15565
Bottom-hole lease
G15565
BH block
GC-248
Spud
1996-11-22
Total-depth date
1996-12-12
Status date
1996-12-12
Bottom-hole MD
16,500 ft
True vertical depth
16,494 ft
Water depth
3,328 ft
Region
G
Surface
27.7305, -90.5751
Bottom-hole
27.7303, -90.5749

Production

16 OGOR-A
Cumulative oil
0BBL
Cumulative gas
0MCF
Cumulative water
0BBL
BOE
0BOE
oil + gas ÷ 6
Producing months
0
of 5 reported
Completions
1
producing intervals

First production 1996-08-01 · latest 1996-12-01 · monthly volumes summed across the well's completions

Lifecycle

APD review
file → approval
Plan → spud
approval → drilling
Drilling
20d
spud → TD
TD → EOR
TD → end-of-ops
Full cycle
first APD → EOR
Plan slip
APDs filed
0
APMs filed
0
plan modifications
APM resubmittals
0
revision cycles
WARs filed
weekly activity reports
Final status
ST
2 event(s) · full audit log
DateEventOp codeStatusSource ID
1996-11-22 SPUD 608115009700
1996-12-12 TD_REACHED 608115009700

Released data (BSEE FRS)

Files released
17
document types: 14
Total volume
541.3 MB
Well logs
6
LWD/MWD/wireline
WARs
1
APD docs
0
APM docs
0
Surveys
3
directional + pressure
BHP tests
0

First release 1999-02-10 · last release 2008-12-05 · showing 17 most-recent files · view full document report →

17 of 17 rows Filters are case-insensitive text-contains
File Run dateCreatedReleased Category ScaleLengthMethod Logging CompanyLog Name TLI (ft)BLI (ft)WD (ft) VolBarcode SizeExtSrcQC
View Download
2008-06-11 2008-12-05 WAR WAR-Well Activity Report 3,328 27.8 KB TIF
Inspect Download
1996-12-07 2014-07-17 2007-02-10 Core Samples Digital Core Samples 3,328 505.3 MB ZIP
Inspect Download
1996-12-02 1999-02-22 2007-02-10 Velocity Survey Digital Velocity Survey 3,328 852.0 B ZIP
View Download
2004-03-03 2007-02-10 SURVEY Directional Survey 3,328 206.3 KB TIF
View Download
2007-02-02 2007-02-10 GEOLOGY Paleontology Report 3,328 27.8 KB TIF
View Download
2007-02-02 2007-02-10 GEOLOGY Paleontology Report 3,328 3.8 MB TIF
View Download
2005-06-21 2007-02-10 SURVEY Directional Survey 3,328 280.3 KB TIF
View Download
2009-07-22 2007-01-15 SUMMARY Well Summary Report 3,328 1.2 MB TIF
View Download
2003-08-14 2007-01-15 SUMMARY Well Summary Report 3,328 77.0 KB TIF
View Download
2003-08-14 2006-12-09 SUNDRY Sundry Report 3,328 80.9 KB TIF
View Download
1996-12-04 1999-02-10 WELL_LOG 5in MD WL Litho Density / Dual Neutron / Porosity 15,230 16,500 3,328 GCCD0013 1.6 MB TIF PETRIS N
View Download
1996-12-04 2005-12-29 1999-02-10 TEST Modular Dynamics Tester 15,693 15,883 3,328 PETR9993 gc006464 6.4 MB TIF MMS N
View Download
1996-12-04 2005-12-29 1999-02-10 WELL_LOG 5in MD WL Dipole Shear Sonic Imaging/Composite Display w/ALHI/Final 15,230 16,480 3,328 PETR9993 gc006460 474.1 KB TIF MMS N
View Download
1996-12-04 1999-02-10 WELL_LOG 5in MD WL Density / Neutron Log 12,008 16,500 3,328 QCCD0072 gc006463 4.9 MB TIF QC_DATA N
View Download
1996-12-04 1999-02-10 WELL_LOG 1in MD MWD & 5in /Dual GR/EWR-Phase 4/Final/Directional Survey Included 5,210 16,500 3,328 QCCD0072 gc006473 9.1 MB TIF QC_DATA N
View Download
1996-12-04 1999-02-10 WELL_LOG 1in MD WL & 5in Phasor Induction/Sonic/Density/Neutron 12,110 16,500 3,328 QCCD0072 gc006472 6.9 MB TIF MMS N
View Download
1996-12-04 1999-02-10 WELL_LOG 1in MD WL Phasor Induction / Gamma Ray 12,110 16,500 3,328 QCCD0072 gc006471 973.4 KB TIF QC_DATA N

Directional survey

vertical
Stations
174
along the wellbore
Max MD
16,500ft
deepest sampled
Max TVD
16,494ft
Max inclination
3.7°
MD − TVD slack
6ft
horizontal walk

Showing 174 of 174 stations · vertical section (top): TVD vs MD, depth-down · 3D wellbore (bottom): East/North/TVD in feet, colored by inclination, drag to rotate.

MD (ft)TVD (ft) Incl (°)Dir (°) N/SE/W LatitudeLongitude
3,406 3,406 0.0 1.1 N W 27.73050 -90.57506
3,500 3,500 0.7 71.8 N W 27.73050 -90.57506
3,600 3,600 0.5 71.0 N W 27.73051 -90.57506
3,700 3,700 0.1 21.8 N W 27.73051 -90.57506
3,800 3,800 0.1 67.1 N E 27.73051 -90.57506
3,900 3,900 0.1 83.2 S E 27.73051 -90.57506
4,000 4,000 0.1 82.0 S E 27.73051 -90.57506
4,100 4,100 0.2 63.1 N E 27.73051 -90.57506
4,200 4,200 0.4 24.9 N E 27.73051 -90.57506
4,300 4,300 0.7 7.8 N W 27.73051 -90.57506
4,400 4,400 0.7 71.5 N W 27.73051 -90.57506
4,500 4,500 0.8 43.7 S W 27.73051 -90.57506
4,510 4,510 0.8 43.3 S W 27.73051 -90.57506
4,520 4,520 0.6 48.1 S W 27.73051 -90.57506
4,530 4,530 0.7 37.4 S W 27.73051 -90.57506
4,540 4,540 0.8 30.4 S W 27.73051 -90.57506
4,550 4,550 0.7 25.1 S W 27.73051 -90.57506
4,560 4,560 0.5 21.9 S W 27.73051 -90.57506
4,570 4,570 0.4 17.1 S W 27.73051 -90.57506
4,580 4,580 0.3 8.0 S W 27.73051 -90.57506
4,590 4,590 0.3 12.8 S E 27.73051 -90.57506
4,600 4,600 0.4 7.2 S E 27.73051 -90.57506
4,610 4,610 0.3 10.8 S E 27.73051 -90.57506
4,620 4,620 0.3 13.8 S E 27.73051 -90.57506
4,630 4,630 0.3 7.2 S E 27.73051 -90.57506
4,640 4,640 0.2 3.2 S W 27.73051 -90.57506
4,650 4,650 0.2 2.0 S W 27.73051 -90.57506
4,660 4,660 0.4 7.3 S W 27.73051 -90.57506
4,670 4,670 0.4 11.5 S W 27.73051 -90.57506
4,680 4,680 0.4 28.1 S W 27.73051 -90.57506
4,690 4,690 0.4 57.2 S W 27.73051 -90.57506
4,700 4,700 0.5 73.0 S W 27.73051 -90.57506
4,710 4,710 0.8 85.1 N W 27.73051 -90.57506
4,720 4,720 1.1 78.6 N W 27.73051 -90.57507
4,730 4,730 1.5 74.7 N W 27.73051 -90.57507
4,740 4,740 1.8 69.9 N W 27.73051 -90.57507
4,750 4,750 2.1 68.0 N W 27.73051 -90.57507
4,760 4,760 2.2 66.5 N W 27.73051 -90.57507
4,770 4,770 2.4 65.0 N W 27.73051 -90.57507
4,780 4,780 2.5 63.9 N W 27.73051 -90.57507
4,790 4,790 2.7 61.7 N W 27.73051 -90.57507
4,800 4,800 2.7 60.9 N W 27.73051 -90.57507
4,810 4,810 2.8 58.6 N W 27.73051 -90.57508
4,820 4,820 2.9 58.1 N W 27.73051 -90.57508
4,830 4,830 3.0 55.3 N W 27.73051 -90.57508
4,840 4,840 3.1 54.8 N W 27.73051 -90.57508
4,850 4,850 3.2 54.1 N W 27.73052 -90.57508
4,860 4,860 3.3 54.0 N W 27.73052 -90.57508
4,870 4,870 3.3 53.0 N W 27.73052 -90.57508
4,880 4,880 3.4 52.8 N W 27.73052 -90.57509
4,890 4,890 3.5 53.0 N W 27.73052 -90.57509
4,900 4,900 3.5 50.5 N W 27.73052 -90.57509
4,910 4,910 3.6 51.2 N W 27.73052 -90.57509
4,920 4,920 3.7 51.5 N W 27.73052 -90.57509
4,930 4,930 3.7 50.0 N W 27.73052 -90.57509
4,940 4,940 3.7 50.2 N W 27.73052 -90.57509
4,950 4,950 3.7 49.9 N W 27.73053 -90.57510
4,960 4,960 3.7 50.4 N W 27.73053 -90.57510
4,970 4,970 3.6 49.8 N W 27.73053 -90.57510
4,980 4,980 3.7 50.5 N W 27.73053 -90.57510
4,990 4,990 3.7 50.2 N W 27.73053 -90.57510
5,000 5,000 3.6 50.3 N W 27.73053 -90.57510
5,100 5,099 3.5 51.5 N W 27.73054 -90.57512
5,200 5,199 3.3 47.9 N W 27.73055 -90.57513
5,300 5,299 2.8 48.3 N W 27.73056 -90.57514
5,400 5,399 1.9 50.9 N W 27.73057 -90.57515
5,500 5,499 1.4 62.8 N W 27.73058 -90.57516
5,600 5,599 1.3 73.2 N W 27.73058 -90.57517
5,700 5,699 1.0 69.9 N W 27.73058 -90.57517
5,800 5,799 0.8 71.8 N W 27.73058 -90.57518
5,900 5,899 0.8 66.6 N W 27.73058 -90.57518
6,000 5,999 0.7 59.2 N W 27.73058 -90.57519
6,100 6,099 0.7 49.6 N W 27.73059 -90.57519
6,200 6,199 0.6 60.8 N W 27.73059 -90.57519
6,300 6,299 0.6 61.6 N W 27.73059 -90.57519
6,400 6,399 0.6 59.0 N W 27.73059 -90.57520
6,500 6,499 0.8 71.5 N W 27.73059 -90.57520
6,600 6,599 0.7 83.5 N W 27.73059 -90.57520
6,700 6,699 0.7 73.5 N W 27.73059 -90.57521
6,800 6,799 0.6 75.3 N W 27.73060 -90.57521
6,900 6,899 0.7 79.0 N W 27.73060 -90.57521
7,000 6,999 0.6 78.3 N W 27.73060 -90.57522
7,100 7,099 0.5 78.5 N W 27.73060 -90.57522
7,200 7,199 0.5 74.0 N W 27.73060 -90.57522
7,300 7,299 0.6 85.5 N W 27.73060 -90.57523
7,400 7,399 0.6 80.6 N W 27.73060 -90.57523
7,500 7,499 0.5 85.2 N W 27.73060 -90.57523
7,600 7,599 0.4 80.6 N W 27.73060 -90.57523
7,700 7,699 0.3 70.8 N W 27.73060 -90.57524
7,800 7,799 0.3 81.7 N W 27.73060 -90.57524
7,900 7,899 0.5 70.8 N W 27.73060 -90.57524
7,954 7,953 0.4 87.2 N W 27.73060 -90.57524
8,075 8,074 0.5 88.1 N W 27.73060 -90.57524
8,130 8,129 0.4 73.3 N W 27.73060 -90.57524
8,186 8,185 0.1 78.0 N W 27.73060 -90.57525
8,225 8,224 0.1 77.4 S W 27.73060 -90.57525
8,319 8,318 0.2 24.9 S E 27.73060 -90.57525
8,413 8,412 0.7 49.0 S E 27.73060 -90.57524
8,508 8,507 1.0 47.0 S E 27.73060 -90.57524
8,601 8,600 1.4 53.4 S E 27.73059 -90.57524
8,697 8,696 1.6 61.3 S E 27.73059 -90.57523
8,791 8,790 1.7 65.8 S E 27.73059 -90.57522
8,886 8,885 1.8 64.6 S E 27.73058 -90.57522
8,978 8,977 1.8 68.6 S E 27.73058 -90.57521
9,073 9,071 2.0 68.8 S E 27.73058 -90.57520
9,166 9,164 1.9 68.5 S E 27.73057 -90.57519
9,259 9,257 1.9 71.1 S E 27.73057 -90.57518
9,353 9,351 1.9 69.2 S E 27.73057 -90.57517
9,539 9,537 1.7 71.0 S E 27.73056 -90.57515
9,633 9,631 1.7 77.5 S E 27.73056 -90.57515
9,728 9,726 1.7 79.8 S E 27.73056 -90.57514
9,820 9,818 1.6 75.5 S E 27.73055 -90.57513
9,917 9,915 1.6 66.8 S E 27.73055 -90.57512
10,009 10,007 1.5 62.0 S E 27.73055 -90.57511
10,103 10,101 1.2 56.8 S E 27.73055 -90.57511
10,196 10,194 1.3 58.9 S E 27.73054 -90.57510
10,291 10,289 1.4 59.1 S E 27.73054 -90.57510
10,386 10,384 1.3 56.5 S E 27.73054 -90.57509
10,479 10,477 1.3 61.1 S E 27.73053 -90.57509
10,572 10,570 1.3 63.2 S E 27.73053 -90.57508
10,669 10,667 1.2 62.6 S E 27.73053 -90.57507
10,761 10,759 1.1 69.3 S E 27.73053 -90.57507
10,850 10,848 1.2 70.8 S E 27.73052 -90.57506
10,947 10,945 1.3 69.2 S E 27.73052 -90.57506
11,042 11,040 0.9 68.9 S E 27.73052 -90.57505
11,135 11,133 0.7 73.6 S E 27.73052 -90.57505
11,228 11,226 0.7 62.8 S E 27.73052 -90.57505
11,322 11,320 0.7 54.3 S E 27.73052 -90.57504
11,416 11,414 0.8 43.6 S E 27.73051 -90.57504
11,510 11,508 0.9 32.3 S E 27.73051 -90.57504
11,604 11,602 1.0 10.9 S E 27.73051 -90.57504
11,710 11,708 1.0 9.1 S E 27.73050 -90.57504
11,891 11,889 0.9 13.2 S E 27.73049 -90.57503
11,983 11,981 0.9 25.6 S E 27.73049 -90.57503
12,148 12,146 2.0 8.7 S W 27.73048 -90.57503
12,242 12,240 2.4 27.9 S W 27.73047 -90.57504
12,335 12,332 2.7 35.7 S W 27.73046 -90.57504
12,431 12,428 2.7 36.4 S W 27.73045 -90.57505
12,525 12,522 2.6 49.6 S W 27.73044 -90.57506
12,620 12,617 2.9 67.9 S W 27.73043 -90.57507
12,711 12,708 3.0 67.2 S W 27.73043 -90.57509
12,808 12,805 3.0 65.8 S W 27.73043 -90.57510
12,899 12,896 3.0 65.9 S W 27.73042 -90.57511
12,995 12,992 2.0 63.6 S W 27.73042 -90.57513
13,086 13,083 1.4 61.6 S W 27.73041 -90.57513
13,182 13,179 1.5 69.0 S W 27.73041 -90.57514
13,277 13,274 1.4 72.1 S W 27.73041 -90.57515
13,370 13,367 1.2 49.8 S W 27.73041 -90.57515
13,463 13,460 1.3 58.9 S W 27.73040 -90.57516
13,558 13,555 1.2 49.8 S W 27.73040 -90.57516
13,650 13,646 1.2 47.7 S W 27.73040 -90.57517
13,745 13,741 1.0 41.6 S W 27.73039 -90.57517
13,839 13,835 0.8 34.7 S W 27.73039 -90.57518
13,933 13,929 0.8 31.4 S W 27.73039 -90.57518
14,028 14,024 0.9 23.4 S W 27.73038 -90.57518
14,124 14,120 0.9 22.4 S W 27.73038 -90.57518
14,217 14,213 1.0 10.5 S W 27.73037 -90.57518
14,312 14,308 1.1 1.2 S W 27.73037 -90.57518
14,404 14,400 1.1 6.5 S E 27.73036 -90.57518
14,498 14,494 1.3 24.9 S E 27.73036 -90.57518
14,592 14,588 1.3 34.5 S E 27.73035 -90.57518
14,783 14,779 1.7 40.2 S E 27.73034 -90.57517
14,877 14,873 1.9 48.5 S E 27.73034 -90.57516
14,972 14,968 2.3 50.2 S E 27.73033 -90.57516
15,065 15,061 2.7 52.7 S E 27.73032 -90.57515
15,154 15,150 2.8 56.2 S E 27.73032 -90.57514
15,253 15,249 3.0 57.2 S E 27.73031 -90.57512
15,346 15,342 3.0 60.6 S E 27.73030 -90.57511
15,444 15,440 3.2 57.6 S E 27.73029 -90.57510
15,675 15,670 3.0 65.0 S E 27.73028 -90.57506
15,770 15,765 3.0 72.6 S E 27.73027 -90.57505
15,858 15,853 2.8 73.8 S E 27.73027 -90.57504
16,441 16,435 2.7 60.2 N E 27.73027 -90.57496
16,500 16,494 2.7 60.2 N E 27.73028 -90.57495

Velocity survey (check-shot)

seismic calibration
Points
126
depth-time samples
Surveys
1
distinct dates
Max depth
15,462ft
deepest point
Max 1-way time
2,381ms
Avg velocity
6,493ft/s
depth ÷ 1-way time
Survey date
1996-12-02

Showing 126 of 126 points · 2D (top): depth-down vs one-way travel time — geophysicists use this curve to convert seismic two-way time to actual feet · 3D (bottom): each velocity point placed at its directional-survey (East, North, TVD), colored by interval velocity (Δdepth / Δtime between adjacent samples). Fast layers read yellow, slow layers purple. Drag to rotate. .

Survey date One-way time (ms) Depth (ft) Avg velocity (ft/s)
1996-12-02 0.0 0
1996-12-02 695.0 3,328 4,788
1996-12-02 995.0 4,916 4,940
1996-12-02 1035.0 5,165 4,990
1996-12-02 1075.0 5,415 5,037
1996-12-02 1116.0 5,665 5,076
1996-12-02 1157.0 5,915 5,112
1996-12-02 1195.0 6,165 5,158
1996-12-02 1233.0 6,415 5,202
1996-12-02 1270.0 6,664 5,247
1996-12-02 1306.0 6,914 5,294
1996-12-02 1343.0 7,165 5,335
1996-12-02 1381.0 7,415 5,369
1996-12-02 1416.0 7,665 5,413
1996-12-02 1451.0 7,915 5,454
1996-12-02 1485.0 8,165 5,498
1996-12-02 1514.0 8,415 5,558
1996-12-02 1553.0 8,665 5,579
1996-12-02 1584.0 8,865 5,596
1996-12-02 1594.0 8,940 5,608
1996-12-02 1601.0 8,990 5,615
1996-12-02 1605.0 9,015 5,616
1996-12-02 1614.0 9,089 5,631
1996-12-02 1622.0 9,154 5,643
1996-12-02 1633.0 9,239 5,657
1996-12-02 1642.0 9,314 5,672
1996-12-02 1652.0 9,389 5,683
1996-12-02 1663.0 9,464 5,690
1996-12-02 1672.0 9,539 5,705
1996-12-02 1683.0 9,614 5,712
1996-12-02 1693.0 9,689 5,722
1996-12-02 1703.0 9,764 5,733
1996-12-02 1713.0 9,839 5,743
1996-12-02 1723.0 9,914 5,753
1996-12-02 1732.0 9,989 5,767
1996-12-02 1742.0 10,064 5,777
1996-12-02 1752.0 10,139 5,787
1996-12-02 1761.0 10,214 5,800
1996-12-02 1771.0 10,289 5,809
1996-12-02 1780.0 10,364 5,822
1996-12-02 1788.0 10,439 5,838
1996-12-02 1798.0 10,514 5,847
1996-12-02 1806.0 10,589 5,863
1996-12-02 1816.0 10,664 5,872
1996-12-02 1826.0 10,739 5,881
1996-12-02 1834.0 10,814 5,896
1996-12-02 1844.0 10,889 5,905
1996-12-02 1852.0 10,964 5,920
1996-12-02 1861.0 11,039 5,931
1996-12-02 1870.0 11,114 5,943
1996-12-02 1880.0 11,189 5,951
1996-12-02 1889.0 11,264 5,962
1996-12-02 1898.0 11,339 5,974
1996-12-02 1907.0 11,414 5,985
1996-12-02 1916.0 11,489 5,996
1996-12-02 1925.0 11,564 6,007
1996-12-02 1932.0 11,639 6,024
1996-12-02 1941.0 11,714 6,035
1996-12-02 1950.0 11,789 6,045
1996-12-02 1959.0 11,864 6,056
1996-12-02 1964.0 11,914 6,066
1996-12-02 1967.0 11,939 6,069
1996-12-02 1976.0 12,014 6,079
1996-12-02 1985.0 12,089 6,090
1996-12-02 1994.0 12,164 6,100
1996-12-02 2003.0 12,239 6,110
1996-12-02 2012.0 12,313 6,119
1996-12-02 2021.0 12,388 6,129
1996-12-02 2029.0 12,463 6,142
1996-12-02 2038.0 12,538 6,152
1996-12-02 2047.0 12,613 6,161
1996-12-02 2057.0 12,688 6,168
1996-12-02 2067.0 12,763 6,174
1996-12-02 2076.0 12,838 6,184
1996-12-02 2084.0 12,913 6,196
1996-12-02 2090.0 12,963 6,202
1996-12-02 2095.0 13,013 6,211
1996-12-02 2100.0 13,063 6,220
1996-12-02 2106.0 13,113 6,226
1996-12-02 2112.0 13,163 6,232
1996-12-02 2118.0 13,213 6,238
1996-12-02 2123.0 13,263 6,247
1996-12-02 2128.0 13,313 6,256
1996-12-02 2134.0 13,363 6,261
1996-12-02 2139.0 13,413 6,270
1996-12-02 2145.0 13,463 6,276
1996-12-02 2151.0 13,513 6,282
1996-12-02 2157.0 13,563 6,287
1996-12-02 2162.0 13,613 6,296
1996-12-02 2168.0 13,663 6,302
1996-12-02 2173.0 13,713 6,310
1996-12-02 2180.0 13,763 6,313
1996-12-02 2185.0 13,813 6,321
1996-12-02 2191.0 13,863 6,327
1996-12-02 2197.0 13,913 6,332
1996-12-02 2202.0 13,963 6,341
1996-12-02 2208.0 14,012 6,346
1996-12-02 2213.0 14,062 6,354
1996-12-02 2221.0 14,112 6,353
1996-12-02 2227.0 14,162 6,359
1996-12-02 2233.0 14,212 6,364
1996-12-02 2239.0 14,262 6,369
1996-12-02 2245.0 14,312 6,375
1996-12-02 2251.0 14,362 6,380
1996-12-02 2257.0 14,412 6,385
1996-12-02 2264.0 14,462 6,387
1996-12-02 2270.0 14,512 6,392
1996-12-02 2276.0 14,562 6,398
1996-12-02 2282.0 14,612 6,403
1996-12-02 2287.0 14,662 6,411
1996-12-02 2293.0 14,712 6,416
1996-12-02 2299.0 14,762 6,421
1996-12-02 2304.0 14,812 6,428
1996-12-02 2310.0 14,862 6,433
1996-12-02 2316.0 14,912 6,438
1996-12-02 2322.0 14,962 6,443
1996-12-02 2328.0 15,012 6,448
1996-12-02 2334.0 15,062 6,453
1996-12-02 2339.0 15,112 6,460
1996-12-02 2345.0 15,162 6,465
1996-12-02 2350.0 15,212 6,473
1996-12-02 2357.0 15,262 6,475
1996-12-02 2364.0 15,312 6,477
1996-12-02 2371.0 15,362 6,479
1996-12-02 2376.0 15,412 6,486
1996-12-02 2381.0 15,462 6,493

Survey note: H OCS-G15565 Well # 002 GC 0248 H Shell H unknown contractor H KB = 78 ' MD= 16,500 ' TVD= 16,494 '

Drilling-permit history (0)

Status datePermit typeWell type WD (ft)RigOperator at filing
No drilling-permit records on file for this well.